diff --git a/app1.py b/app1.py
new file mode 100644
index 0000000..bd5247d
--- /dev/null
+++ b/app1.py
@@ -0,0 +1,166 @@
+from flask import Flask, render_template, jsonify, request, send_from_directory
+from uuid import uuid4
+from blockchain.blockchain import Blockchain
+from flask_cors import CORS
+import sys
+
+# Configure Flask
+app = Flask(__name__, static_folder='templates')
+CORS(app, resources={r"/*": {"origins": "*"}})
+
+# Unique Node Address
+node_identifier = str(uuid4()).replace('-', '')
+
+# Initialize Blockchain
+blockchain = Blockchain()
+
+# --- HELPER: Safe Transaction Getter ---
+def get_pending_txs():
+    # Tries different common names for the transaction list to avoid 500 Errors
+    if hasattr(blockchain, 'current_transactions'):
+        return blockchain.current_transactions
+    elif hasattr(blockchain, 'pending_transactions'):
+        return blockchain.pending_transactions
+    elif hasattr(blockchain, 'transactions'):
+        return blockchain.transactions
+    else:
+        print("ERROR: Could not find transaction list in Blockchain class!")
+        return []
+
+@app.route('/')
+def index():
+    return render_template('index.html')
+
+# --- Serve Local Static Files (Fixes "Elliptic" load error) ---
+@app.route('/<path:filename>')
+def serve_static(filename):
+    return send_from_directory('templates', filename)
+
+@app.route('/transactions', methods=['GET'])
+def get_transactions():
+    try:
+        txs = get_pending_txs()
+        return jsonify(txs), 200
+    except Exception as e:
+        print(f"ERROR in /transactions: {e}")
+        return jsonify({'error': str(e)}), 500
+
+@app.route('/mine', methods=['GET'])
+def mine():
+    try:
+        # 1. Run Proof of Work
+        last_block = blockchain.last_block
+        last_proof = last_block['proof']
+        proof = blockchain.proof_of_work(last_proof)
+
+        # 2. Reward the miner (Sender "0" means new coin)
+        blockchain.new_transaction(
+            sender="0",
+            recipient=node_identifier,
+            amount=1,
+        )
+
+        # 3. Forge the new Block
+        previous_hash = blockchain.hash(last_block)
+        block = blockchain.new_block(proof, previous_hash)
+
+        response = {
+            'message': "New Block Forged",
+            'index': block['index'],
+            'transactions': block['transactions'],
+            'proof': block['proof'],
+            'previous_hash': block['previous_hash'],
+        }
+        return jsonify(response), 200
+    except Exception as e:
+        print(f"ERROR in /mine: {e}")
+        return jsonify({'error': str(e)}), 500
+
+@app.route('/transactions/new', methods=['POST'])
+def new_transaction():
+    try:
+        values = request.get_json()
+        required = ['sender', 'recipient', 'amount']
+        if not all(k in values for k in required):
+            return 'Missing values', 400
+
+        index = blockchain.new_transaction(values['sender'], values['recipient'], values['amount'])
+        response = {'message': f'Transaction will be added to Block {index}'}
+        return jsonify(response), 201
+    except Exception as e:
+        print(f"ERROR in /transactions/new: {e}")
+        return jsonify({'error': str(e)}), 500
+
+@app.route('/chain', methods=['GET'])
+def full_chain():
+    try:
+        response = {
+            'chain': blockchain.chain,
+            'length': len(blockchain.chain),
+        }
+        return jsonify(response), 200
+    except Exception as e:
+        print(f"ERROR in /chain: {e}")
+        return jsonify({'error': str(e)}), 500
+
+@app.route('/wallet', methods=['GET'])
+def get_wallet():
+    try:
+        balance = 0
+        
+        # 1. Check confirmed blocks
+        for block in blockchain.chain:
+            # Handle different transaction structures (dict vs object)
+            txs = block.get('transactions', []) if isinstance(block, dict) else getattr(block, 'transactions', [])
+            
+            for trans in txs:
+                # Safe access to sender/recipient
+                if isinstance(trans, dict):
+                    r = trans.get('recipient')
+                    s = trans.get('sender')
+                    a = trans.get('amount', 0)
+                else:
+                    r = getattr(trans, 'recipient', None)
+                    s = getattr(trans, 'sender', None)
+                    a = getattr(trans, 'amount', 0)
+
+                if r == node_identifier:
+                    balance += a
+                if s == node_identifier:
+                    balance -= a
+        
+        # 2. Check pending pool
+        pending = get_pending_txs()
+        for trans in pending:
+            if isinstance(trans, dict):
+                s = trans.get('sender')
+                a = trans.get('amount', 0)
+            else:
+                s = getattr(trans, 'sender', None)
+                a = getattr(trans, 'amount', 0)
+                
+            if s == node_identifier:
+                balance -= a
+                
+        response = {
+            'node_id': node_identifier,
+            'balance': balance
+        }
+        return jsonify(response), 200
+    except Exception as e:
+        print(f"ERROR in /wallet: {e}")
+        return jsonify({'error': str(e)}), 500
+
+if __name__ == '__main__':
+    # Print what the server is finding to help debug
+    print("--- DEBUG INFO ---")
+    print(f"Blockchain initialized.")
+    if hasattr(blockchain, 'current_transactions'):
+        print("Using: blockchain.current_transactions")
+    elif hasattr(blockchain, 'pending_transactions'):
+        print("Using: blockchain.pending_transactions")
+    else:
+        print("WARNING: Could not find transaction list variable name!")
+    print("------------------")
+    
+    app.run(host='0.0.0.0', port=5000, debug=True)
\ No newline at end of file
diff --git a/blockchain/app.py b/blockchain/app.py
index e6cf490..2474c0c 100644
--- a/blockchain/app.py
+++ b/blockchain/app.py
@@ -1,132 +1,108 @@
-from flask import Flask, jsonify, request, render_template
-from flask_cors import CORS
-
+from flask import Flask, jsonify, request, send_from_directory, render_template
 from uuid import uuid4
+from blockchain.blockchain import Blockchain
+from flask_cors import CORS
 
-from .blockchain import Blockchain, MINING_REWARD, MINING_SENDER
+# Instantiate the Node
+app = Flask(__name__, static_folder='templates')
 
+# Fix for "Status Offline": Allow all domains to access the API
+CORS(app, resources={r"/*": {"origins": "*"}})
 
-# Initialize Flask app
-app = Flask(__name__)
-CORS(app)
+# Generate a globally unique address for this node
+node_identifier = str(uuid4()).replace('-', '')
 
-# Define blockchain Variables
+# Instantiate the Blockchain
 blockchain = Blockchain()
-node_identifier = str(uuid4()).replace("-", "")
 
-
-@app.route("/")
+@app.route('/')
 def index():
-    return render_template("index.html")
-
+    return render_template('index.html')
 
-@app.route("/configure")
-def configure():
-    return render_template("configure.html")
+# Allow the browser to load the local crypto library
+@app.route('/<path:filename>')
+def serve_static(filename):
+    return send_from_directory('templates', filename)
 
-
-@app.route("/transactions/new", methods=["POST"])
-def new_transaction():
-    values = request.form
-
-    required = ["sender_address", "recipient_address", "amount", "signature"]
-    if not all(k in values for k in required):
-        return "Missing values", 400
-
-    transaction_result = blockchain.submit_transaction(
-        values["sender_address"],
-        values["recipient_address"],
-        values["amount"],
-        values["signature"],
+@app.route('/mine', methods=['GET'])
+def mine():
+    # 1. Add the Mining Reward Transaction BEFORE calculating proof
+    # If we add it after, the proof will be invalid for the block content.
+    blockchain.new_transaction(
+        sender="0",
+        recipient=node_identifier,
+        amount=1,
     )
 
-    if not transaction_result:
-        response = {"message": "Invalid Transaction!"}
-        return jsonify(response), 406
-    else:
-        response = {
-            "message": "Transaction will be added to Block " + str(transaction_result)
-        }
-        return jsonify(response), 201
-
-
-@app.route("/transactions/get", methods=["GET"])
-def get_transactions():
-    transactions = blockchain.transactions
-
-    response = {"transactions": transactions}
-    return jsonify(response), 200
+    # 2. Run the Proof of Work algorithm to get the next proof
+    # We do NOT pass arguments because blockchain.py uses self.transactions
+    proof = blockchain.proof_of_work()
 
+    # 3. Forge the new Block by adding it to the chain
+    previous_hash = blockchain.hash(blockchain.last_block)
+    block = blockchain.new_block(proof, previous_hash)
 
-@app.route("/chain", methods=["GET"])
-def full_chain():
     response = {
-        "chain": blockchain.chain,
-        "length": len(blockchain.chain),
+        'message': "New Block Forged",
+        'index': block['index'],
+        'transactions': block['transactions'],
+        'proof': block['proof'],
+        'previous_hash': block['previous_hash'],
     }
     return jsonify(response), 200
 
+@app.route('/transactions/new', methods=['POST'])
+def new_transaction():
+    values = request.get_json()
 
-@app.route("/mine", methods=["GET"])
-def mine():
-    # We run the proof of work algorithm to get the next proof...
-    last_block = blockchain.chain[-1]
-    nonce = blockchain.proof_of_work()
-    print(last_block)
-
-    # We must receive a reward for finding the proof.
-    blockchain.submit_transaction(
-        sender_address=MINING_SENDER,
-        recipient_address=blockchain.node_id,
-        value=MINING_REWARD,
-        signature="",
-    )
+    # Check that the required fields are in the POST'ed data
+    required = ['sender', 'recipient', 'amount']
+    if not all(k in values for k in required):
+        return 'Missing values', 400
 
-    # Forge the new Block by adding it to the chain
-    previous_hash = blockchain.hash(last_block)
-    block = blockchain.new_block(nonce, previous_hash)
+    # Create a new Transaction
+    index = blockchain.new_transaction(values['sender'], values['recipient'], values['amount'])
+    
+    response = {'message': f'Transaction will be added to Block {index}'}
+    return jsonify(response), 201
 
+@app.route('/chain', methods=['GET'])
+def full_chain():
     response = {
-        "message": "New Block Forged",
-        "block_number": block["index"],
-        "transactions": block["transactions"],
-        "nonce": block["nonce"],
-        "previous_hash": block["previous_hash"],
+        'chain': blockchain.chain,
+        'length': len(blockchain.chain),
     }
     return jsonify(response), 200
 
+@app.route('/transactions', methods=['GET'])
+def get_transactions():
+    return jsonify(blockchain.transactions), 200
 
-@app.route("/nodes/register", methods=["POST"])
-def register_nodes():
-    values = request.form
-    nodes = values.get("nodes").replace(" ", "").split(",")
-
-    if nodes is None:
-        return "Error: Please supply a valid list of nodes", 400
-
-    for node in nodes:
-        blockchain.register_node(node)
-
+@app.route('/wallet', methods=['GET'])
+def get_wallet():
+    balance = calculate_balance(node_identifier)
     response = {
-        "message": "New nodes have been added",
-        "total_nodes": [node for node in blockchain.nodes],
+        'node_id': node_identifier,
+        'balance': balance
     }
-    return jsonify(response), 201
-
-
-@app.route("/nodes/resolve", methods=["GET"])
-def consensus():
-    replaced = blockchain.resolve_conflicts()
-
-    if replaced:
-        response = {"message": "Our chain was replaced", "new_chain": blockchain.chain}
-    else:
-        response = {"message": "Our chain is authoritative", "chain": blockchain.chain}
     return jsonify(response), 200
 
-
-@app.route("/nodes/get", methods=["GET"])
-def get_nodes():
-    nodes = list(blockchain.nodes)
-    response = {"nodes": nodes}
-    return jsonify(response), 200
+def calculate_balance(node_address):
+    balance = 0
+    # 1. Check confirmed blocks
+    for block in blockchain.chain:
+        for trans in block['transactions']:
+            if trans['recipient'] == node_address:
+                balance += trans['amount']
+            if trans['sender'] == node_address:
+                balance -= trans['amount']
+    
+    # 2. Check pending pool
+    for trans in blockchain.transactions:
+        if trans['sender'] == node_address:
+            balance -= trans['amount']
+            
+    return balance
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=5000, debug=True)
\ No newline at end of file
diff --git a/blockchain/blockchain.py b/blockchain/blockchain.py
index ed10ace..1f67e8d 100644
--- a/blockchain/blockchain.py
+++ b/blockchain/blockchain.py
@@ -1,39 +1,31 @@
 import binascii
 import hashlib
 import json
-from collections import OrderedDict
 from time import time
 from urllib.parse import urlparse
 from uuid import uuid4
-
-import Crypto
-import Crypto.Random  # noqa: F401
 import requests
-from Crypto.Hash import SHA
-from Crypto.PublicKey import RSA
-from Crypto.Signature import PKCS1_v1_5
 
-MINING_SENDER = "THE BLOCKCHAIN"
+# We will skip RSA imports to avoid conflicts with your UI's Elliptic Curve signatures
+# for this pilot version.
+
+MINING_SENDER = "0"  # Standardize on "0" for the network reward address
 MINING_REWARD = 1
 MINING_DIFFICULTY = 2
 
-
 class Blockchain:
     def __init__(self):
         self.chain = []
         self.transactions = []
         self.nodes = set()
         self.node_id = str(uuid4()).replace("-", "")
-        self.new_block(0, "00")
+        # Create the genesis block
+        self.new_block(previous_hash="1", nonce=100)
 
-    def new_block(self, nonce: int, previous_hash: str) -> dict:
+    def new_block(self, nonce: int, previous_hash: str = None) -> dict:
         """
         Create a new Block in the Blockchain
-        :param proof: <int> The proof given by the Proof of Work algorithm
-        :param previous_hash: (Optional) <str> Hash of previous Block
-        :return: <dict> New Block
         """
-
         block = {
             "index": len(self.chain) + 1,
             "timestamp": time(),
@@ -44,50 +36,36 @@ def new_block(self, nonce: int, previous_hash: str) -> dict:
 
         # Reset the current list of transactions
         self.transactions = []
-
         self.chain.append(block)
         return block
 
     def new_transaction(self, sender: str, recipient: str, amount: int) -> int:
         """
         Creates a new transaction to go into the next mined Block
-        :param sender: <str> Address of the Sender
-        :param recipient: <str> Address of the Recipient
-        :param amount: <int> Amount
-        :return: <int> The index of the Block that will hold this transaction
         """
-        self.transactions.append(
-            {"sender": sender, "recipient": recipient, "amount": amount}
-        )
-
+        self.transactions.append({
+            "sender": sender,
+            "recipient": recipient,
+            "amount": amount,
+        })
         return self.last_block["index"] + 1
 
     @staticmethod
     def hash(block: dict) -> str:
         """
         Creates a SHA-256 hash of a Block
-        :param block: <dict> Block
-        :return: <str>
         """
         # We must make sure that the Dictionary is Ordered, or we'll have inconsistent hashes
-
         block_string = json.dumps(block, sort_keys=True).encode()
         return hashlib.sha256(block_string).hexdigest()
 
     @property
     def last_block(self):
-        """
-        Returns the last Block in the chain.
-        """
         return self.chain[-1]
 
     def proof_of_work(self) -> int:
         """
         Simple Proof of Work Algorithm:
-         - Find a number p' such that hash(pp') contains leading 4 zeroes, where p is the previous p'
-         - p is the previous proof, and p' is the new proof
-        :param last_proof: <int>
-        :return: <int>
         """
         last_block = self.chain[-1]
         last_hash = self.hash(last_block)
@@ -101,68 +79,80 @@ def proof_of_work(self) -> int:
     @staticmethod
     def valid_proof(transactions, last_hash, nonce, difficulty=MINING_DIFFICULTY):
         """
-        Check if a hash value satisfies the mining conditions. This function is used within the proof_of_work function.
+        Check if a hash value satisfies the mining conditions.
         """
-        guess = (str(transactions) + str(last_hash) + str(nonce)).encode()
+        # We use json.dumps to ensure the transactions string is consistent
+        guess = (json.dumps(transactions, sort_keys=True) + str(last_hash) + str(nonce)).encode()
         guess_hash = hashlib.sha256(guess).hexdigest()
         return guess_hash[:difficulty] == "0" * difficulty
-
+    
     def register_node(self, address: str) -> None:
-        """
-        Add a new node to the list of nodes
-        :param address: <str> Address of node. Eg. 'http://192.168.0.5:5000'
-        :return: None
-        """
+        """Add a new node to the list of nodes"""
         parsed_url = urlparse(address)
         if parsed_url.netloc:
             self.nodes.add(parsed_url.netloc)
         elif parsed_url.path:
-            # Accepts an URL without scheme like '192.168.0.5:5000'.
             self.nodes.add(parsed_url.path)
         else:
             raise ValueError("Invalid URL")
 
-    @staticmethod
-    def verify_transaction_signature(sender_address, signature, transaction):
-        """
-        Check that the provided signature corresponds to transaction
-        signed by the public key (sender_address)
-        """
-        public_key = RSA.importKey(binascii.unhexlify(sender_address))
-        verifier = PKCS1_v1_5.new(public_key)
-
-        hash = SHA.new(str(transaction).encode("utf8"))
-        return verifier.verify(hash, binascii.unhexlify(signature))
-
-    def submit_transaction(self, sender_address, recipient_address, value, signature):
-        """Add a transaction to transactions array if the signature verified"""
-        transaction = OrderedDict(
-            {
-                "sender_address": sender_address,
-                "recipient_address": recipient_address,
-                "value": value,
-            }
-        )
-
-        if sender_address == MINING_SENDER:
-            self.transactions.append(transaction)
-            return len(self.chain) + 1
-        else:
-            transaction_verification = self.verify_transaction_signature(
-                sender_address, signature, transaction
-            )
-            if transaction_verification:
-                self.transactions.append(transaction)
-                return len(self.chain) + 1
-            else:
+    def valid_chain(self, chain: list) -> bool:
+        """Determine if a given blockchain is valid"""
+        last_block = chain[0]
+        current_index = 1
+
+        while current_index < len(chain):
+            block = chain[current_index]
+            if block["previous_hash"] != self.hash(last_block):
+                return False
+            
+            # Check that the Proof of Work is correct
+            if not self.valid_proof(block["transactions"], block["previous_hash"], block["nonce"]):
                 return False
 
+            last_block = block
+            current_index += 1
+
+        return True
+
+    def resolve_conflicts(self) -> bool:
+        """Consensus Algorithm: Replaces our chain with the longest one in the network"""
+        neighbours = self.nodes
+        new_chain = None
+        max_length = len(self.chain)
+
+        # Grab and verify the chains from all the nodes in our network
+        for node in neighbours:
+            try:
+                response = requests.get(f"http://{node}/chain", timeout=3)
+                if response.status_code == 200:
+                    length = response.json()["length"]
+                    chain = response.json()["chain"]
+
+                    # Check if the length is longer and the chain is valid
+                    if length > max_length and self.valid_chain(chain):
+                        max_length = length
+                        new_chain = chain
+            except requests.exceptions.RequestException:
+                continue # Skip node if it is offline
+
+        # Replace our chain if we discovered a new, valid chain longer than ours
+        if new_chain:
+            self.chain = new_chain
+            return True
+
+        return False
+
+    def register_node(self, address: str) -> None:
+        parsed_url = urlparse(address)
+        if parsed_url.netloc:
+            self.nodes.add(parsed_url.netloc)
+        elif parsed_url.path:
+            self.nodes.add(parsed_url.path)
+        else:
+            raise ValueError("Invalid URL")
+
     def valid_chain(self, chain: list) -> bool:
-        """
-        Determine if a given blockchain is valid
-        :param chain: <list> A blockchain
-        :return: <bool> True if valid, False if not
-        """
         last_block = chain[0]
         current_index = 1
 
@@ -172,16 +162,9 @@ def valid_chain(self, chain: list) -> bool:
             if block["previous_hash"] != self.hash(last_block):
                 return False
 
-            transactions = block["transactions"][:-1]
-            transaction_elements = ["sender_address", "recipient_address", "value"]
-            transactions = [
-                OrderedDict((k, transaction[k]) for k in transaction_elements)
-                for transaction in transactions
-            ]
-
-            if not self.valid_proof(
-                transactions, block["previous_hash"], block["nonce"], MINING_DIFFICULTY
-            ):
+            # Check that the Proof of Work is correct
+            transactions = block["transactions"]
+            if not self.valid_proof(transactions, block["previous_hash"], block["nonce"]):
                 return False
 
             last_block = block
@@ -190,34 +173,22 @@ def valid_chain(self, chain: list) -> bool:
         return True
 
     def resolve_conflicts(self) -> bool:
-        """
-        This is our Consensus Algorithm, it resolves conflicts
-        by replacing our chain with the longest one in the network.
-        :return: <bool> True if our chain was replaced, False if not
-        """
-
         neighbours = self.nodes
         new_chain = None
-
-        # We're only looking for chains longer than ours
         max_length = len(self.chain)
 
-        # Grab and verify the chains from all the nodes in our network
         for node in neighbours:
             response = requests.get(f"http://{node}/chain")
-
             if response.status_code == 200:
                 length = response.json()["length"]
                 chain = response.json()["chain"]
 
-                # Check if the length is longer and the chain is valid
                 if length > max_length and self.valid_chain(chain):
                     max_length = length
                     new_chain = chain
 
-        # Replace our chain if we discovered a new, valid chain longer than ours
         if new_chain:
             self.chain = new_chain
             return True
 
-        return False
+        return False
\ No newline at end of file
diff --git a/node_server.py b/node_server.py
new file mode 100644
index 0000000..4d96622
--- /dev/null
+++ b/node_server.py
@@ -0,0 +1,252 @@
+import hashlib
+import json
+from time import time
+from uuid import uuid4
+from urllib.parse import urlparse  # <--- Make sure this is here
+import requests
+from flask import Flask, jsonify, request, send_from_directory, render_template
+from flask_cors import CORS
+
+# ==========================================
+# PART 1: BLOCKCHAIN LOGIC
+# ==========================================
+
+class Blockchain:
+    def __init__(self):
+        self.chain = []
+        self.transactions = []
+        self.nodes = set()  # <--- ADD THIS EXACT LINE
+        self.node_id = str(uuid4()).replace("-", "")
+        # Genesis block
+        self.new_block(previous_hash="1", nonce=100)
+
+    def new_block(self, nonce: int, previous_hash: str = None) -> dict:
+        block = {
+            "index": len(self.chain) + 1,
+            "timestamp": time(),
+            "transactions": self.transactions,
+            "nonce": nonce,
+            "previous_hash": previous_hash or self.hash(self.chain[-1]),
+        }
+        self.transactions = []
+        self.chain.append(block)
+        return block
+
+    def new_transaction(self, sender: str, recipient: str, amount: int) -> int:
+        self.transactions.append({
+            "sender": sender,
+            "recipient": recipient,
+            "amount": amount,
+        })
+        return self.last_block["index"] + 1
+
+    @staticmethod
+    def hash(block: dict) -> str:
+        block_string = json.dumps(block, sort_keys=True).encode()
+        return hashlib.sha256(block_string).hexdigest()
+
+    @property
+    def last_block(self):
+        return self.chain[-1]
+
+    def proof_of_work(self) -> int:
+        last_block = self.chain[-1]
+        last_hash = self.hash(last_block)
+        nonce = 0
+        while self.valid_proof(self.transactions, last_hash, nonce) is False:
+            nonce += 1
+        return nonce
+
+    @staticmethod
+    def valid_proof(transactions, last_hash, nonce, difficulty=2):
+        guess = (json.dumps(transactions, sort_keys=True) + str(last_hash) + str(nonce)).encode()
+        guess_hash = hashlib.sha256(guess).hexdigest()
+        return guess_hash[:difficulty] == "0" * difficulty
+    
+    def register_node(self, address: str) -> None:
+        """Add a new node to the list of nodes"""
+        parsed_url = urlparse(address)
+        if parsed_url.netloc:
+            self.nodes.add(parsed_url.netloc)
+        elif parsed_url.path:
+            self.nodes.add(parsed_url.path)
+        else:
+            raise ValueError("Invalid URL")
+
+    def valid_chain(self, chain: list) -> bool:
+        """Determine if a given blockchain is valid"""
+        last_block = chain[0]
+        current_index = 1
+
+        while current_index < len(chain):
+            block = chain[current_index]
+            if block["previous_hash"] != self.hash(last_block):
+                return False
+            
+            # Check that the Proof of Work is correct
+            if not self.valid_proof(block["transactions"], block["previous_hash"], block["nonce"]):
+                return False
+
+            last_block = block
+            current_index += 1
+
+        return True
+
+    def resolve_conflicts(self) -> bool:
+        """Consensus Algorithm: Replaces our chain with the longest one in the network"""
+        neighbours = self.nodes
+        new_chain = None
+        max_length = len(self.chain)
+
+        for node in neighbours:
+            try:
+                response = requests.get(f"http://{node}/chain", timeout=3)
+                if response.status_code == 200:
+                    length = response.json()["length"]
+                    chain = response.json()["chain"]
+
+                    if length > max_length and self.valid_chain(chain):
+                        max_length = length
+                        new_chain = chain
+            except requests.exceptions.RequestException:
+                continue 
+
+        if new_chain:
+            self.chain = new_chain
+            return True
+
+        return False
+
+# ==========================================
+# PART 2: FLASK SERVER
+# ==========================================
+
+app = Flask(__name__, static_folder='templates')
+CORS(app, resources={r"/*": {"origins": "*"}})
+
+blockchain = Blockchain()
+
+# --- ROUTES ---
+
+@app.route('/')
+def index():
+    return render_template('index.html')
+
+@app.route('/<path:filename>')
+def serve_static(filename):
+    return send_from_directory('templates', filename)
+
+@app.route('/mine', methods=['GET']) # Changed to GET for simplicity, but accepts query param
+def mine():
+    # LOGIC FIX 1: Who gets the reward?
+    # We look for a 'miner_address' in the request. If none, the Node keeps it.
+    miner_address = request.args.get('address')
+    if not miner_address or miner_address == "null":
+        miner_address = blockchain.node_id
+
+    # LOGIC FIX 2: Prevent Empty Blocks (If you prefer that logic)
+    # Uncomment the next 3 lines if you STRICTLY want to forbid empty blocks
+    # if len(blockchain.transactions) == 0:
+    #     return jsonify({'message': 'No transactions to mine'}), 400
+
+    # 1. Add Reward Transaction
+    blockchain.new_transaction(
+        sender="0",
+        recipient=miner_address,
+        amount=1,
+    )
+
+    # 2. Proof of Work
+    proof = blockchain.proof_of_work()
+
+    # 3. Forge Block
+    previous_hash = blockchain.hash(blockchain.last_block)
+    block = blockchain.new_block(proof, previous_hash)
+
+    return jsonify({
+        'message': "New Block Forged",
+        'index': block['index'],
+        'transactions': block['transactions'],
+        'proof': block['proof'],
+        'previous_hash': block['previous_hash'],
+    }), 200
+
+@app.route('/transactions/new', methods=['POST'])
+def new_transaction():
+    values = request.get_json()
+    required = ['sender', 'recipient', 'amount']
+    if not all(k in values for k in required):
+        return 'Missing values', 400
+
+    index = blockchain.new_transaction(values['sender'], values['recipient'], values['amount'])
+    return jsonify({'message': f'Transaction will be added to Block {index}'}), 201
+
+@app.route('/chain', methods=['GET'])
+def full_chain():
+    return jsonify({
+        'chain': blockchain.chain,
+        'length': len(blockchain.chain),
+    }), 200
+
+@app.route('/transactions', methods=['GET'])
+def get_transactions():
+    return jsonify(blockchain.transactions), 200
+
+@app.route('/wallet', methods=['GET'])
+def get_wallet():
+    # This endpoint calculates balance for the NODE, not the browser user.
+    # The browser user calculates their own balance in JS.
+    balance = 0
+    for block in blockchain.chain:
+        for trans in block['transactions']:
+            if trans['recipient'] == blockchain.node_id:
+                balance += trans['amount']
+            if trans['sender'] == blockchain.node_id:
+                balance -= trans['amount']
+    
+    return jsonify({
+        'node_id': blockchain.node_id,
+        'balance': balance
+    }), 200
+    
+@app.route('/nodes/register', methods=['POST'])
+def register_nodes():
+    values = request.get_json()
+    nodes = values.get('nodes')
+    
+    if nodes is None:
+        return "Error: Please supply a valid list of nodes", 400
+
+    for node in nodes:
+        blockchain.register_node(node)
+
+    return jsonify({
+        'message': 'New nodes have been added',
+        'total_nodes': list(blockchain.nodes)
+    }), 201
+
+@app.route('/nodes/resolve', methods=['GET'])
+def consensus():
+    # Trigger the longest chain rule
+    replaced = blockchain.resolve_conflicts()
+
+    if replaced:
+        return jsonify({
+            'message': 'Our chain was replaced by a longer, valid chain from the network.',
+            'new_chain': blockchain.chain
+        }), 200
+    else:
+        return jsonify({
+            'message': 'Our chain is authoritative (We have the longest chain).',
+            'chain': blockchain.chain
+        }), 200
+
+if __name__ == '__main__':
+    import os
+    
+    # Render dynamically assigns a PORT environment variable. 
+    # If it doesn't exist (like on your laptop), it safely defaults to 5000.
+    port = int(os.environ.get("PORT", 5000))
+    
+    print(f"Node started! Your Mining ID is: {blockchain.node_id}")
+    app.run(host='0.0.0.0', port=port)
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 279f653..b2061e8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,21 +1,27 @@
-certifi==2021.10.8
-charset-normalizer==2.0.7
-click==8.0.3
-distlib==0.4.0
-filelock==3.20.3
-Flask==2.0.2
-Flask-Cors==3.0.10
-idna==3.3
-itsdangerous==2.0.1
-Jinja2==3.0.2
-MarkupSafe==2.0.1
-packaging==26.0
-pipenv==2026.0.3
-platformdirs==4.5.1
-pycryptodome==3.11.0
-requests==2.26.0
-setuptools==80.10.2
-six==1.16.0
-urllib3==1.26.7
-virtualenv==20.36.1
-Werkzeug==2.0.2
+# certifi==2021.10.8
+# charset-normalizer==2.0.7
+# click==8.0.3
+# distlib==0.4.0
+# filelock==3.20.3
+# Flask==3.0.0
+# Flask-Cors==4.0.0
+# idna==3.3
+# itsdangerous==2.0.1
+# Jinja2==3.0.2
+# MarkupSafe==2.0.1
+# packaging==26.0
+# pipenv==2026.0.3
+# platformdirs==4.5.1
+# pycryptodome==3.11.0
+# requests==2.31.0
+# setuptools==80.10.2
+# six==1.16.0
+# urllib3==1.26.7
+# virtualenv==20.36.1
+# Werkzeug==2.0.2
+# gunicorn==21.2.0
+
+Flask
+Flask-Cors
+requests
+gunicorn
\ No newline at end of file
diff --git a/templates/elliptic.js b/templates/elliptic.js
new file mode 100644
index 0000000..f5d99e3
--- /dev/null
+++ b/templates/elliptic.js
@@ -0,0 +1 @@
+!function(e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).elliptic=e()}(function(){return function r(f,n,d){function a(t,e){if(!n[t]){if(!f[t]){var i="function"==typeof require&&require;if(!e&&i)return i(t,!0);if(s)return s(t,!0);throw(i=new Error("Cannot find module '"+t+"'")).code="MODULE_NOT_FOUND",i}i=n[t]={exports:{}},f[t][0].call(i.exports,function(e){return a(f[t][1][e]||e)},i,i.exports,r,f,n,d)}return n[t].exports}for(var s="function"==typeof require&&require,e=0;e<d.length;e++)a(d[e]);return a}({1:[function(e,t,i){"use strict";i.version=e("../package.json").version,i.utils=e("./elliptic/utils"),i.rand=e("brorand"),i.curve=e("./elliptic/curve"),i.curves=e("./elliptic/curves"),i.ec=e("./elliptic/ec"),i.eddsa=e("./elliptic/eddsa")},{"../package.json":35,"./elliptic/curve":4,"./elliptic/curves":7,"./elliptic/ec":8,"./elliptic/eddsa":11,"./elliptic/utils":15,brorand:17}],2:[function(e,t,i){"use strict";var r=e("bn.js"),f=e("../utils"),x=f.getNAF,I=f.getJSF,o=f.assert;function n(e,t){this.type=e,this.p=new r(t.p,16),this.red=t.prime?r.red(t.prime):r.mont(this.p),this.zero=new r(0).toRed(this.red),this.one=new r(1).toRed(this.red),this.two=new r(2).toRed(this.red),this.n=t.n&&new r(t.n,16),this.g=t.g&&this.pointFromJSON(t.g,t.gRed),this._wnafT1=new Array(4),this._wnafT2=new Array(4),this._wnafT3=new Array(4),this._wnafT4=new Array(4),this._bitLength=this.n?this.n.bitLength():0;t=this.n&&this.p.div(this.n);!t||0<t.cmpn(100)?this.redN=null:(this._maxwellTrick=!0,this.redN=this.n.toRed(this.red))}function d(e,t){this.curve=e,this.type=t,this.precomputed=null}(t.exports=n).prototype.point=function(){throw new Error("Not implemented")},n.prototype.validate=function(){throw new Error("Not implemented")},n.prototype._fixedNafMul=function(e,t){o(e.precomputed);var i=e._getDoubles(),r=x(t,1,this._bitLength),t=(1<<i.step+1)-(i.step%2==0?2:1);t/=3;for(var f,n=[],d=0;d<r.length;d+=i.step){f=0;for(var a=d+i.step-1;d<=a;a--)f=(f<<1)+r[a];n.push(f)}for(var s=this.jpoint(null,null,null),c=this.jpoint(null,null,null),h=t;0<h;h--){for(d=0;d<n.length;d++)(f=n[d])===h?c=c.mixedAdd(i.points[d]):f===-h&&(c=c.mixedAdd(i.points[d].neg()));s=s.add(c)}return s.toP()},n.prototype._wnafMul=function(e,t){for(var i=e._getNAFPoints(4),r=i.wnd,f=i.points,n=x(t,r,this._bitLength),d=this.jpoint(null,null,null),a=n.length-1;0<=a;a--){for(var s=0;0<=a&&0===n[a];a--)s++;if(0<=a&&s++,d=d.dblp(s),a<0)break;var c=n[a];o(0!==c),d="affine"===e.type?0<c?d.mixedAdd(f[c-1>>1]):d.mixedAdd(f[-c-1>>1].neg()):0<c?d.add(f[c-1>>1]):d.add(f[-c-1>>1].neg())}return"affine"===e.type?d.toP():d},n.prototype._wnafMulAdd=function(e,t,i,r,f){for(var n,d=this._wnafT1,a=this._wnafT2,s=this._wnafT3,c=0,h=0;h<r;h++){var o=(n=t[h])._getNAFPoints(e);d[h]=o.wnd,a[h]=o.points}for(h=r-1;1<=h;h-=2){var u=h-1,b=h;if(1===d[u]&&1===d[b]){var l=[t[u],null,null,t[b]];0===t[u].y.cmp(t[b].y)?(l[1]=t[u].add(t[b]),l[2]=t[u].toJ().mixedAdd(t[b].neg())):0===t[u].y.cmp(t[b].y.redNeg())?(l[1]=t[u].toJ().mixedAdd(t[b]),l[2]=t[u].add(t[b].neg())):(l[1]=t[u].toJ().mixedAdd(t[b]),l[2]=t[u].toJ().mixedAdd(t[b].neg()));var p=[-3,-1,-5,-7,0,7,5,1,3],m=I(i[u],i[b]),c=Math.max(m[0].length,c);for(s[u]=new Array(c),s[b]=new Array(c),_=0;_<c;_++){var v=0|m[0][_],g=0|m[1][_];s[u][_]=p[3*(1+v)+(1+g)],s[b][_]=0,a[u]=l}}else s[u]=x(i[u],d[u],this._bitLength),s[b]=x(i[b],d[b],this._bitLength),c=Math.max(s[u].length,c),c=Math.max(s[b].length,c)}var y=this.jpoint(null,null,null),M=this._wnafT4;for(h=c;0<=h;h--){for(var w=0;0<=h;){for(var S=!0,_=0;_<r;_++)M[_]=0|s[_][h],0!==M[_]&&(S=!1);if(!S)break;w++,h--}if(0<=h&&w++,y=y.dblp(w),h<0)break;for(_=0;_<r;_++){var A=M[_];0!==A&&(0<A?n=a[_][A-1>>1]:A<0&&(n=a[_][-A-1>>1].neg()),y="affine"===n.type?y.mixedAdd(n):y.add(n))}}for(h=0;h<r;h++)a[h]=null;return f?y:y.toP()},(n.BasePoint=d).prototype.eq=function(){throw new Error("Not implemented")},d.prototype.validate=function(){return this.curve.validate(this)},n.prototype.decodePoint=function(e,t){e=f.toArray(e,t);t=this.p.byteLength();if((4===e[0]||6===e[0]||7===e[0])&&e.length-1==2*t)return 6===e[0]?o(e[e.length-1]%2==0):7===e[0]&&o(e[e.length-1]%2==1),this.point(e.slice(1,1+t),e.slice(1+t,1+2*t));if((2===e[0]||3===e[0])&&e.length-1===t)return this.pointFromX(e.slice(1,1+t),3===e[0]);throw new Error("Unknown point format")},d.prototype.encodeCompressed=function(e){return this.encode(e,!0)},d.prototype._encode=function(e){var t=this.curve.p.byteLength(),i=this.getX().toArray("be",t);return e?[this.getY().isEven()?2:3].concat(i):[4].concat(i,this.getY().toArray("be",t))},d.prototype.encode=function(e,t){return f.encode(this._encode(t),e)},d.prototype.precompute=function(e){if(this.precomputed)return this;var t={doubles:null,naf:null,beta:null};return t.naf=this._getNAFPoints(8),t.doubles=this._getDoubles(4,e),t.beta=this._getBeta(),this.precomputed=t,this},d.prototype._hasDoubles=function(e){if(!this.precomputed)return!1;var t=this.precomputed.doubles;return!!t&&t.points.length>=Math.ceil((e.bitLength()+1)/t.step)},d.prototype._getDoubles=function(e,t){if(this.precomputed&&this.precomputed.doubles)return this.precomputed.doubles;for(var i=[this],r=this,f=0;f<t;f+=e){for(var n=0;n<e;n++)r=r.dbl();i.push(r)}return{step:e,points:i}},d.prototype._getNAFPoints=function(e){if(this.precomputed&&this.precomputed.naf)return this.precomputed.naf;for(var t=[this],i=(1<<e)-1,r=1==i?null:this.dbl(),f=1;f<i;f++)t[f]=t[f-1].add(r);return{wnd:e,points:t}},d.prototype._getBeta=function(){return null},d.prototype.dblp=function(e){for(var t=this,i=0;i<e;i++)t=t.dbl();return t}},{"../utils":15,"bn.js":16}],3:[function(e,t,i){"use strict";var r=e("../utils"),n=e("bn.js"),f=e("inherits"),d=e("./base"),a=r.assert;function s(e){this.twisted=1!=(0|e.a),this.mOneA=this.twisted&&-1==(0|e.a),this.extended=this.mOneA,d.call(this,"edwards",e),this.a=new n(e.a,16).umod(this.red.m),this.a=this.a.toRed(this.red),this.c=new n(e.c,16).toRed(this.red),this.c2=this.c.redSqr(),this.d=new n(e.d,16).toRed(this.red),this.dd=this.d.redAdd(this.d),a(!this.twisted||0===this.c.fromRed().cmpn(1)),this.oneC=1==(0|e.c)}function c(e,t,i,r,f){d.BasePoint.call(this,e,"projective"),null===t&&null===i&&null===r?(this.x=this.curve.zero,this.y=this.curve.one,this.z=this.curve.one,this.t=this.curve.zero,this.zOne=!0):(this.x=new n(t,16),this.y=new n(i,16),this.z=r?new 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this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" y: "+this.y.fromRed().toString(16,2)+" z: "+this.z.fromRed().toString(16,2)+">"},c.prototype.isInfinity=function(){return 0===this.x.cmpn(0)&&(0===this.y.cmp(this.z)||this.zOne&&0===this.y.cmp(this.curve.c))},c.prototype._extDbl=function(){var e=this.x.redSqr(),t=this.y.redSqr(),i=(i=this.z.redSqr()).redIAdd(i),r=this.curve._mulA(e),f=this.x.redAdd(this.y).redSqr().redISub(e).redISub(t),n=r.redAdd(t),e=n.redSub(i),i=r.redSub(t),r=f.redMul(e),t=n.redMul(i),i=f.redMul(i),n=e.redMul(n);return this.curve.point(r,t,n,i)},c.prototype._projDbl=function(){var e,t,i,r,f,n,d=this.x.redAdd(this.y).redSqr(),a=this.x.redSqr(),s=this.y.redSqr();return n=this.curve.twisted?(f=(i=this.curve._mulA(a)).redAdd(s),this.zOne?(e=d.redSub(a).redSub(s).redMul(f.redSub(this.curve.two)),t=f.redMul(i.redSub(s)),f.redSqr().redSub(f).redSub(f)):(r=this.z.redSqr(),n=f.redSub(r).redISub(r),e=d.redSub(a).redISub(s).redMul(n),t=f.redMul(i.redSub(s)),f.redMul(n))):(i=a.redAdd(s),r=this.curve._mulC(this.z).redSqr(),n=i.redSub(r).redSub(r),e=this.curve._mulC(d.redISub(i)).redMul(n),t=this.curve._mulC(i).redMul(a.redISub(s)),i.redMul(n)),this.curve.point(e,t,n)},c.prototype.dbl=function(){return this.isInfinity()?this:this.curve.extended?this._extDbl():this._projDbl()},c.prototype._extAdd=function(e){var t=this.y.redSub(this.x).redMul(e.y.redSub(e.x)),i=this.y.redAdd(this.x).redMul(e.y.redAdd(e.x)),r=this.t.redMul(this.curve.dd).redMul(e.t),f=this.z.redMul(e.z.redAdd(e.z)),n=i.redSub(t),e=f.redSub(r),f=f.redAdd(r),r=i.redAdd(t),i=n.redMul(e),t=f.redMul(r),r=n.redMul(r),f=e.redMul(f);return this.curve.point(i,t,f,r)},c.prototype._projAdd=function(e){var t,i=this.z.redMul(e.z),r=i.redSqr(),f=this.x.redMul(e.x),n=this.y.redMul(e.y),d=this.curve.d.redMul(f).redMul(n),a=r.redSub(d),d=r.redAdd(d),e=this.x.redAdd(this.y).redMul(e.x.redAdd(e.y)).redISub(f).redISub(n),e=i.redMul(a).redMul(e),d=this.curve.twisted?(t=i.redMul(d).redMul(n.redSub(this.curve._mulA(f))),a.redMul(d)):(t=i.redMul(d).redMul(n.redSub(f)),this.curve._mulC(a).redMul(d));return this.curve.point(e,t,d)},c.prototype.add=function(e){return this.isInfinity()?e:e.isInfinity()?this:this.curve.extended?this._extAdd(e):this._projAdd(e)},c.prototype.mul=function(e){return this._hasDoubles(e)?this.curve._fixedNafMul(this,e):this.curve._wnafMul(this,e)},c.prototype.mulAdd=function(e,t,i){return this.curve._wnafMulAdd(1,[this,t],[e,i],2,!1)},c.prototype.jmulAdd=function(e,t,i){return this.curve._wnafMulAdd(1,[this,t],[e,i],2,!0)},c.prototype.normalize=function(){if(this.zOne)return this;var e=this.z.redInvm();return this.x=this.x.redMul(e),this.y=this.y.redMul(e),this.t&&(this.t=this.t.redMul(e)),this.z=this.curve.one,this.zOne=!0,this},c.prototype.neg=function(){return this.curve.point(this.x.redNeg(),this.y,this.z,this.t&&this.t.redNeg())},c.prototype.getX=function(){return this.normalize(),this.x.fromRed()},c.prototype.getY=function(){return this.normalize(),this.y.fromRed()},c.prototype.eq=function(e){return this===e||0===this.getX().cmp(e.getX())&&0===this.getY().cmp(e.getY())},c.prototype.eqXToP=function(e){var t=e.toRed(this.curve.red).redMul(this.z);if(0===this.x.cmp(t))return!0;for(var i=e.clone(),r=this.curve.redN.redMul(this.z);;){if(i.iadd(this.curve.n),0<=i.cmp(this.curve.p))return!1;if(t.redIAdd(r),0===this.x.cmp(t))return!0}},c.prototype.toP=c.prototype.normalize,c.prototype.mixedAdd=c.prototype.add},{"../utils":15,"./base":2,"bn.js":16,inherits:32}],4:[function(e,t,i){"use strict";i.base=e("./base"),i.short=e("./short"),i.mont=e("./mont"),i.edwards=e("./edwards")},{"./base":2,"./edwards":3,"./mont":5,"./short":6}],5:[function(e,t,i){"use strict";var r=e("bn.js"),f=e("inherits"),n=e("./base"),d=e("../utils");function a(e){n.call(this,"mont",e),this.a=new r(e.a,16).toRed(this.red),this.b=new r(e.b,16).toRed(this.red),this.i4=new r(4).toRed(this.red).redInvm(),this.two=new r(2).toRed(this.red),this.a24=this.i4.redMul(this.a.redAdd(this.two))}function s(e,t,i){n.BasePoint.call(this,e,"projective"),null===t&&null===i?(this.x=this.curve.one,this.z=this.curve.zero):(this.x=new r(t,16),this.z=new r(i,16),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.z.red||(this.z=this.z.toRed(this.curve.red)))}f(a,n),(t.exports=a).prototype.validate=function(e){var t=e.normalize().x,e=t.redSqr(),t=e.redMul(t).redAdd(e.redMul(this.a)).redAdd(t);return 0===t.redSqrt().redSqr().cmp(t)},f(s,n.BasePoint),a.prototype.decodePoint=function(e,t){return this.point(d.toArray(e,t),1)},a.prototype.point=function(e,t){return new s(this,e,t)},a.prototype.pointFromJSON=function(e){return s.fromJSON(this,e)},s.prototype.precompute=function(){},s.prototype._encode=function(){return this.getX().toArray("be",this.curve.p.byteLength())},s.fromJSON=function(e,t){return new s(e,t[0],t[1]||e.one)},s.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" z: "+this.z.fromRed().toString(16,2)+">"},s.prototype.isInfinity=function(){return 0===this.z.cmpn(0)},s.prototype.dbl=function(){var e=this.x.redAdd(this.z).redSqr(),t=this.x.redSub(this.z).redSqr(),i=e.redSub(t),e=e.redMul(t),i=i.redMul(t.redAdd(this.curve.a24.redMul(i)));return this.curve.point(e,i)},s.prototype.add=function(){throw new Error("Not supported on Montgomery curve")},s.prototype.diffAdd=function(e,t){var i=this.x.redAdd(this.z),r=this.x.redSub(this.z),f=e.x.redAdd(e.z),i=e.x.redSub(e.z).redMul(i),f=f.redMul(r),r=t.z.redMul(i.redAdd(f).redSqr()),f=t.x.redMul(i.redISub(f).redSqr());return this.curve.point(r,f)},s.prototype.mul=function(e){for(var t=e.clone(),i=this,r=this.curve.point(null,null),f=[];0!==t.cmpn(0);t.iushrn(1))f.push(t.andln(1));for(var n=f.length-1;0<=n;n--)0===f[n]?(i=i.diffAdd(r,this),r=r.dbl()):(r=i.diffAdd(r,this),i=i.dbl());return r},s.prototype.mulAdd=function(){throw new Error("Not supported on Montgomery curve")},s.prototype.jumlAdd=function(){throw new Error("Not supported on Montgomery curve")},s.prototype.eq=function(e){return 0===this.getX().cmp(e.getX())},s.prototype.normalize=function(){return this.x=this.x.redMul(this.z.redInvm()),this.z=this.curve.one,this},s.prototype.getX=function(){return this.normalize(),this.x.fromRed()}},{"../utils":15,"./base":2,"bn.js":16,inherits:32}],6:[function(e,t,i){"use strict";var r=e("../utils"),y=e("bn.js"),f=e("inherits"),n=e("./base"),d=r.assert;function a(e){n.call(this,"short",e),this.a=new y(e.a,16).toRed(this.red),this.b=new y(e.b,16).toRed(this.red),this.tinv=this.two.redInvm(),this.zeroA=0===this.a.fromRed().cmpn(0),this.threeA=0===this.a.fromRed().sub(this.p).cmpn(-3),this.endo=this._getEndomorphism(e),this._endoWnafT1=new Array(4),this._endoWnafT2=new Array(4)}function s(e,t,i,r){n.BasePoint.call(this,e,"affine"),null===t&&null===i?(this.x=null,this.y=null,this.inf=!0):(this.x=new y(t,16),this.y=new y(i,16),r&&(this.x.forceRed(this.curve.red),this.y.forceRed(this.curve.red)),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.y.red||(this.y=this.y.toRed(this.curve.red)),this.inf=!1)}function c(e,t,i,r){n.BasePoint.call(this,e,"jacobian"),null===t&&null===i&&null===r?(this.x=this.curve.one,this.y=this.curve.one,this.z=new y(0)):(this.x=new y(t,16),this.y=new y(i,16),this.z=new y(r,16)),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.y.red||(this.y=this.y.toRed(this.curve.red)),this.z.red||(this.z=this.z.toRed(this.curve.red)),this.zOne=this.z===this.curve.one}f(a,n),(t.exports=a).prototype._getEndomorphism=function(e){var t,i,r;if(this.zeroA&&this.g&&this.n&&1===this.p.modn(3))return i=(e.beta?new y(e.beta,16):i=(r=this._getEndoRoots(this.p))[0].cmp(r[1])<0?r[0]:r[1]).toRed(this.red),e.lambda?t=new y(e.lambda,16):(r=this._getEndoRoots(this.n),0===this.g.mul(r[0]).x.cmp(this.g.x.redMul(i))?t=r[0]:(t=r[1],d(0===this.g.mul(t).x.cmp(this.g.x.redMul(i))))),{beta:i,lambda:t,basis:e.basis?e.basis.map(function(e){return{a:new y(e.a,16),b:new y(e.b,16)}}):this._getEndoBasis(t)}},a.prototype._getEndoRoots=function(e){var t=e===this.p?this.red:y.mont(e),i=new y(2).toRed(t).redInvm(),e=i.redNeg(),i=new y(3).toRed(t).redNeg().redSqrt().redMul(i);return[e.redAdd(i).fromRed(),e.redSub(i).fromRed()]},a.prototype._getEndoBasis=function(e){for(var t,i,r,f,n,d,a,s=this.n.ushrn(Math.floor(this.n.bitLength()/2)),c=e,h=this.n.clone(),o=new y(1),u=new y(0),b=new y(0),l=new y(1),p=0;0!==c.cmpn(0);){var m=h.div(c),v=h.sub(m.mul(c)),g=b.sub(m.mul(o)),m=l.sub(m.mul(u));if(!r&&v.cmp(s)<0)t=a.neg(),i=o,r=v.neg(),f=g;else if(r&&2==++p)break;h=c,c=a=v,b=o,o=g,l=u,u=m}n=v.neg(),d=g;e=r.sqr().add(f.sqr());return 0<=n.sqr().add(d.sqr()).cmp(e)&&(n=t,d=i),r.negative&&(r=r.neg(),f=f.neg()),n.negative&&(n=n.neg(),d=d.neg()),[{a:r,b:f},{a:n,b:d}]},a.prototype._endoSplit=function(e){var t=this.endo.basis,i=t[0],r=t[1],f=r.b.mul(e).divRound(this.n),n=i.b.neg().mul(e).divRound(this.n),d=f.mul(i.a),t=n.mul(r.a),i=f.mul(i.b),r=n.mul(r.b);return{k1:e.sub(d).sub(t),k2:i.add(r).neg()}},a.prototype.pointFromX=function(e,t){var i=(e=!(e=new y(e,16)).red?e.toRed(this.red):e).redSqr().redMul(e).redIAdd(e.redMul(this.a)).redIAdd(this.b),r=i.redSqrt();if(0!==r.redSqr().redSub(i).cmp(this.zero))throw new Error("invalid point");i=r.fromRed().isOdd();return(t&&!i||!t&&i)&&(r=r.redNeg()),this.point(e,r)},a.prototype.validate=function(e){if(e.inf)return!0;var t=e.x,i=e.y,e=this.a.redMul(t),e=t.redSqr().redMul(t).redIAdd(e).redIAdd(this.b);return 0===i.redSqr().redISub(e).cmpn(0)},a.prototype._endoWnafMulAdd=function(e,t,i){for(var r=this._endoWnafT1,f=this._endoWnafT2,n=0;n<e.length;n++){var d=this._endoSplit(t[n]),a=e[n],s=a._getBeta();d.k1.negative&&(d.k1.ineg(),a=a.neg(!0)),d.k2.negative&&(d.k2.ineg(),s=s.neg(!0)),r[2*n]=a,r[2*n+1]=s,f[2*n]=d.k1,f[2*n+1]=d.k2}for(var i=this._wnafMulAdd(1,r,f,2*n,i),c=0;c<2*n;c++)r[c]=null,f[c]=null;return i},f(s,n.BasePoint),a.prototype.point=function(e,t,i){return new s(this,e,t,i)},a.prototype.pointFromJSON=function(e,t){return s.fromJSON(this,e,t)},s.prototype._getBeta=function(){if(this.curve.endo){var e=this.precomputed;if(e&&e.beta)return e.beta;var t,i,r=this.curve.point(this.x.redMul(this.curve.endo.beta),this.y);return e&&(t=this.curve,i=function(e){return t.point(e.x.redMul(t.endo.beta),e.y)},(e.beta=r).precomputed={beta:null,naf:e.naf&&{wnd:e.naf.wnd,points:e.naf.points.map(i)},doubles:e.doubles&&{step:e.doubles.step,points:e.doubles.points.map(i)}}),r}},s.prototype.toJSON=function(){return this.precomputed?[this.x,this.y,this.precomputed&&{doubles:this.precomputed.doubles&&{step:this.precomputed.doubles.step,points:this.precomputed.doubles.points.slice(1)},naf:this.precomputed.naf&&{wnd:this.precomputed.naf.wnd,points:this.precomputed.naf.points.slice(1)}}]:[this.x,this.y]},s.fromJSON=function(t,e,i){"string"==typeof e&&(e=JSON.parse(e));var r=t.point(e[0],e[1],i);if(!e[2])return r;function f(e){return t.point(e[0],e[1],i)}e=e[2];return r.precomputed={beta:null,doubles:e.doubles&&{step:e.doubles.step,points:[r].concat(e.doubles.points.map(f))},naf:e.naf&&{wnd:e.naf.wnd,points:[r].concat(e.naf.points.map(f))}},r},s.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" y: "+this.y.fromRed().toString(16,2)+">"},s.prototype.isInfinity=function(){return this.inf},s.prototype.add=function(e){if(this.inf)return e;if(e.inf)return this;if(this.eq(e))return this.dbl();if(this.neg().eq(e))return this.curve.point(null,null);if(0===this.x.cmp(e.x))return this.curve.point(null,null);var t=this.y.redSub(e.y),e=(t=0!==t.cmpn(0)?t.redMul(this.x.redSub(e.x).redInvm()):t).redSqr().redISub(this.x).redISub(e.x),t=t.redMul(this.x.redSub(e)).redISub(this.y);return this.curve.point(e,t)},s.prototype.dbl=function(){if(this.inf)return this;var e=this.y.redAdd(this.y);if(0===e.cmpn(0))return this.curve.point(null,null);var t=this.curve.a,i=this.x.redSqr(),e=e.redInvm(),t=i.redAdd(i).redIAdd(i).redIAdd(t).redMul(e),e=t.redSqr().redISub(this.x.redAdd(this.x)),t=t.redMul(this.x.redSub(e)).redISub(this.y);return this.curve.point(e,t)},s.prototype.getX=function(){return this.x.fromRed()},s.prototype.getY=function(){return this.y.fromRed()},s.prototype.mul=function(e){return e=new y(e,16),this.isInfinity()?this:this._hasDoubles(e)?this.curve._fixedNafMul(this,e):this.curve.endo?this.curve._endoWnafMulAdd([this],[e]):this.curve._wnafMul(this,e)},s.prototype.mulAdd=function(e,t,i){t=[this,t],i=[e,i];return this.curve.endo?this.curve._endoWnafMulAdd(t,i):this.curve._wnafMulAdd(1,t,i,2)},s.prototype.jmulAdd=function(e,t,i){t=[this,t],i=[e,i];return this.curve.endo?this.curve._endoWnafMulAdd(t,i,!0):this.curve._wnafMulAdd(1,t,i,2,!0)},s.prototype.eq=function(e){return this===e||this.inf===e.inf&&(this.inf||0===this.x.cmp(e.x)&&0===this.y.cmp(e.y))},s.prototype.neg=function(e){if(this.inf)return this;var t,i=this.curve.point(this.x,this.y.redNeg());return e&&this.precomputed&&(t=this.precomputed,e=function(e){return e.neg()},i.precomputed={naf:t.naf&&{wnd:t.naf.wnd,points:t.naf.points.map(e)},doubles:t.doubles&&{step:t.doubles.step,points:t.doubles.points.map(e)}}),i},s.prototype.toJ=function(){return this.inf?this.curve.jpoint(null,null,null):this.curve.jpoint(this.x,this.y,this.curve.one)},f(c,n.BasePoint),a.prototype.jpoint=function(e,t,i){return new c(this,e,t,i)},c.prototype.toP=function(){if(this.isInfinity())return this.curve.point(null,null);var e=this.z.redInvm(),t=e.redSqr(),i=this.x.redMul(t),e=this.y.redMul(t).redMul(e);return this.curve.point(i,e)},c.prototype.neg=function(){return this.curve.jpoint(this.x,this.y.redNeg(),this.z)},c.prototype.add=function(e){if(this.isInfinity())return e;if(e.isInfinity())return this;var t=e.z.redSqr(),i=this.z.redSqr(),r=this.x.redMul(t),f=e.x.redMul(i),n=this.y.redMul(t.redMul(e.z)),d=e.y.redMul(i.redMul(this.z)),t=r.redSub(f),i=n.redSub(d);if(0===t.cmpn(0))return 0!==i.cmpn(0)?this.curve.jpoint(null,null,null):this.dbl();f=t.redSqr(),d=f.redMul(t),r=r.redMul(f),f=i.redSqr().redIAdd(d).redISub(r).redISub(r),d=i.redMul(r.redISub(f)).redISub(n.redMul(d)),t=this.z.redMul(e.z).redMul(t);return this.curve.jpoint(f,d,t)},c.prototype.mixedAdd=function(e){if(this.isInfinity())return e.toJ();if(e.isInfinity())return this;var t=this.z.redSqr(),i=this.x,r=e.x.redMul(t),f=this.y,n=e.y.redMul(t).redMul(this.z),e=i.redSub(r),t=f.redSub(n);if(0===e.cmpn(0))return 0!==t.cmpn(0)?this.curve.jpoint(null,null,null):this.dbl();r=e.redSqr(),n=r.redMul(e),i=i.redMul(r),r=t.redSqr().redIAdd(n).redISub(i).redISub(i),n=t.redMul(i.redISub(r)).redISub(f.redMul(n)),e=this.z.redMul(e);return this.curve.jpoint(r,n,e)},c.prototype.dblp=function(e){if(0===e)return this;if(this.isInfinity())return this;if(!e)return this.dbl();if(this.curve.zeroA||this.curve.threeA){for(var t=this,i=0;i<e;i++)t=t.dbl();return t}var r=this.curve.a,f=this.curve.tinv,n=this.x,d=this.y,a=this.z,s=a.redSqr().redSqr(),c=d.redAdd(d);for(i=0;i<e;i++){var h=n.redSqr(),o=c.redSqr(),u=o.redSqr(),b=h.redAdd(h).redIAdd(h).redIAdd(r.redMul(s)),h=n.redMul(o),o=b.redSqr().redISub(h.redAdd(h)),h=h.redISub(o),b=(b=b.redMul(h)).redIAdd(b).redISub(u),h=c.redMul(a);i+1<e&&(s=s.redMul(u)),n=o,a=h,c=b}return this.curve.jpoint(n,c.redMul(f),a)},c.prototype.dbl=function(){return this.isInfinity()?this:this.curve.zeroA?this._zeroDbl():this.curve.threeA?this._threeDbl():this._dbl()},c.prototype._zeroDbl=function(){var e,t,i,r,f,n=this.zOne?(i=this.x.redSqr(),e=(r=this.y.redSqr()).redSqr(),f=(f=this.x.redAdd(r).redSqr().redISub(i).redISub(e)).redIAdd(f),r=(t=i.redAdd(i).redIAdd(i)).redSqr().redISub(f).redISub(f),i=(i=(i=e.redIAdd(e)).redIAdd(i)).redIAdd(i),e=r,t=t.redMul(f.redISub(r)).redISub(i),this.y.redAdd(this.y)):(f=this.x.redSqr(),n=(r=this.y.redSqr()).redSqr(),i=(i=this.x.redAdd(r).redSqr().redISub(f).redISub(n)).redIAdd(i),f=(r=f.redAdd(f).redIAdd(f)).redSqr(),n=(n=(n=n.redIAdd(n)).redIAdd(n)).redIAdd(n),e=f.redISub(i).redISub(i),t=r.redMul(i.redISub(e)).redISub(n),(n=this.y.redMul(this.z)).redIAdd(n));return this.curve.jpoint(e,t,n)},c.prototype._threeDbl=function(){var e,t,i,r,f,n,d,a;return this.zOne?(e=this.x.redSqr(),r=(t=this.y.redSqr()).redSqr(),d=(d=this.x.redAdd(t).redSqr().redISub(e).redISub(r)).redIAdd(d),i=f=(a=e.redAdd(e).redIAdd(e).redIAdd(this.curve.a)).redSqr().redISub(d).redISub(d),n=(n=(n=r.redIAdd(r)).redIAdd(n)).redIAdd(n),t=a.redMul(d.redISub(f)).redISub(n),e=this.y.redAdd(this.y)):(r=this.z.redSqr(),a=this.y.redSqr(),d=this.x.redMul(a),f=(f=this.x.redSub(r).redMul(this.x.redAdd(r))).redAdd(f).redIAdd(f),d=(n=(n=d.redIAdd(d)).redIAdd(n)).redAdd(n),i=f.redSqr().redISub(d),e=this.y.redAdd(this.z).redSqr().redISub(a).redISub(r),a=(a=(a=(a=a.redSqr()).redIAdd(a)).redIAdd(a)).redIAdd(a),t=f.redMul(n.redISub(i)).redISub(a)),this.curve.jpoint(i,t,e)},c.prototype._dbl=function(){var e=this.curve.a,t=this.x,i=this.y,r=this.z,f=r.redSqr().redSqr(),n=t.redSqr(),d=i.redSqr(),e=n.redAdd(n).redIAdd(n).redIAdd(e.redMul(f)),f=t.redAdd(t),t=(f=f.redIAdd(f)).redMul(d),f=e.redSqr().redISub(t.redAdd(t)),t=t.redISub(f),d=d.redSqr();d=(d=(d=d.redIAdd(d)).redIAdd(d)).redIAdd(d);d=e.redMul(t).redISub(d),r=i.redAdd(i).redMul(r);return this.curve.jpoint(f,d,r)},c.prototype.trpl=function(){if(!this.curve.zeroA)return this.dbl().add(this);var e=this.x.redSqr(),t=this.y.redSqr(),i=this.z.redSqr(),r=t.redSqr(),f=e.redAdd(e).redIAdd(e),n=f.redSqr(),d=this.x.redAdd(t).redSqr().redISub(e).redISub(r),e=(d=(d=(d=d.redIAdd(d)).redAdd(d).redIAdd(d)).redISub(n)).redSqr(),r=r.redIAdd(r);r=(r=(r=r.redIAdd(r)).redIAdd(r)).redIAdd(r);n=f.redIAdd(d).redSqr().redISub(n).redISub(e).redISub(r),t=t.redMul(n);t=(t=t.redIAdd(t)).redIAdd(t);t=this.x.redMul(e).redISub(t);t=(t=t.redIAdd(t)).redIAdd(t);n=this.y.redMul(n.redMul(r.redISub(n)).redISub(d.redMul(e)));n=(n=(n=n.redIAdd(n)).redIAdd(n)).redIAdd(n);e=this.z.redAdd(d).redSqr().redISub(i).redISub(e);return this.curve.jpoint(t,n,e)},c.prototype.mul=function(e,t){return e=new y(e,t),this.curve._wnafMul(this,e)},c.prototype.eq=function(e){if("affine"===e.type)return this.eq(e.toJ());if(this===e)return!0;var t=this.z.redSqr(),i=e.z.redSqr();if(0!==this.x.redMul(i).redISub(e.x.redMul(t)).cmpn(0))return!1;t=t.redMul(this.z),i=i.redMul(e.z);return 0===this.y.redMul(i).redISub(e.y.redMul(t)).cmpn(0)},c.prototype.eqXToP=function(e){var t=this.z.redSqr(),i=e.toRed(this.curve.red).redMul(t);if(0===this.x.cmp(i))return!0;for(var r=e.clone(),f=this.curve.redN.redMul(t);;){if(r.iadd(this.curve.n),0<=r.cmp(this.curve.p))return!1;if(i.redIAdd(f),0===this.x.cmp(i))return!0}},c.prototype.inspect=function(){return this.isInfinity()?"<EC JPoint Infinity>":"<EC JPoint x: "+this.x.toString(16,2)+" y: "+this.y.toString(16,2)+" z: "+this.z.toString(16,2)+">"},c.prototype.isInfinity=function(){return 0===this.z.cmpn(0)}},{"../utils":15,"./base":2,"bn.js":16,inherits:32}],7:[function(e,t,i){"use strict";var r,f=i,i=e("hash.js"),n=e("./curve"),d=e("./utils").assert;function a(e){"short"===e.type?this.curve=new n.short(e):"edwards"===e.type?this.curve=new n.edwards(e):this.curve=new n.mont(e),this.g=this.curve.g,this.n=this.curve.n,this.hash=e.hash,d(this.g.validate(),"Invalid curve"),d(this.g.mul(this.n).isInfinity(),"Invalid curve, G*N != O")}function s(t,i){Object.defineProperty(f,t,{configurable:!0,enumerable:!0,get:function(){var e=new a(i);return Object.defineProperty(f,t,{configurable:!0,enumerable:!0,value:e}),e}})}f.PresetCurve=a,s("p192",{type:"short",prime:"p192",p:"ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff",a:"ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc",b:"64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1",n:"ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831",hash:i.sha256,gRed:!1,g:["188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012","07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811"]}),s("p224",{type:"short",prime:"p224",p:"ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001",a:"ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe",b:"b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4",n:"ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d",hash:i.sha256,gRed:!1,g:["b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21","bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34"]}),s("p256",{type:"short",prime:null,p:"ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff",a:"ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc",b:"5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b",n:"ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551",hash:i.sha256,gRed:!1,g:["6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296","4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5"]}),s("p384",{type:"short",prime:null,p:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe ffffffff 00000000 00000000 ffffffff",a:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe ffffffff 00000000 00000000 fffffffc",b:"b3312fa7 e23ee7e4 988e056b e3f82d19 181d9c6e fe814112 0314088f 5013875a c656398d 8a2ed19d 2a85c8ed d3ec2aef",n:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff c7634d81 f4372ddf 581a0db2 48b0a77a ecec196a ccc52973",hash:i.sha384,gRed:!1,g:["aa87ca22 be8b0537 8eb1c71e f320ad74 6e1d3b62 8ba79b98 59f741e0 82542a38 5502f25d bf55296c 3a545e38 72760ab7","3617de4a 96262c6f 5d9e98bf 9292dc29 f8f41dbd 289a147c e9da3113 b5f0b8c0 0a60b1ce 1d7e819d 7a431d7c 90ea0e5f"]}),s("p521",{type:"short",prime:null,p:"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff",a:"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffc",b:"00000051 953eb961 8e1c9a1f 929a21a0 b68540ee a2da725b 99b315f3 b8b48991 8ef109e1 56193951 ec7e937b 1652c0bd 3bb1bf07 3573df88 3d2c34f1 ef451fd4 6b503f00",n:"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffa 51868783 bf2f966b 7fcc0148 f709a5d0 3bb5c9b8 899c47ae bb6fb71e 91386409",hash:i.sha512,gRed:!1,g:["000000c6 858e06b7 0404e9cd 9e3ecb66 2395b442 9c648139 053fb521 f828af60 6b4d3dba a14b5e77 efe75928 fe1dc127 a2ffa8de 3348b3c1 856a429b f97e7e31 c2e5bd66","00000118 39296a78 9a3bc004 5c8a5fb4 2c7d1bd9 98f54449 579b4468 17afbd17 273e662c 97ee7299 5ef42640 c550b901 3fad0761 353c7086 a272c240 88be9476 9fd16650"]}),s("curve25519",{type:"mont",prime:"p25519",p:"7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed",a:"76d06",b:"1",n:"1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed",hash:i.sha256,gRed:!1,g:["9"]}),s("ed25519",{type:"edwards",prime:"p25519",p:"7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed",a:"-1",c:"1",d:"52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3",n:"1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed",hash:i.sha256,gRed:!1,g:["216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a","6666666666666666666666666666666666666666666666666666666666666658"]});try{r=e("./precomputed/secp256k1")}catch(e){r=void 0}s("secp256k1",{type:"short",prime:"k256",p:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f",a:"0",b:"7",n:"ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141",h:"1",hash:i.sha256,beta:"7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee",lambda:"5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72",basis:[{a:"3086d221a7d46bcde86c90e49284eb15",b:"-e4437ed6010e88286f547fa90abfe4c3"},{a:"114ca50f7a8e2f3f657c1108d9d44cfd8",b:"3086d221a7d46bcde86c90e49284eb15"}],gRed:!1,g:["79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798","483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8",r]})},{"./curve":4,"./precomputed/secp256k1":14,"./utils":15,"hash.js":19}],8:[function(e,t,i){"use strict";var b=e("bn.js"),l=e("hmac-drbg"),r=e("../utils"),f=e("../curves"),n=e("brorand"),p=r.assert,d=e("./key"),m=e("./signature");function a(e){if(!(this instanceof a))return new a(e);"string"==typeof e&&(p(Object.prototype.hasOwnProperty.call(f,e),"Unknown curve "+e),e=f[e]),e instanceof f.PresetCurve&&(e={curve:e}),this.curve=e.curve.curve,this.n=this.curve.n,this.nh=this.n.ushrn(1),this.g=this.curve.g,this.g=e.curve.g,this.g.precompute(e.curve.n.bitLength()+1),this.hash=e.hash||e.curve.hash}(t.exports=a).prototype.keyPair=function(e){return new d(this,e)},a.prototype.keyFromPrivate=function(e,t){return d.fromPrivate(this,e,t)},a.prototype.keyFromPublic=function(e,t){return d.fromPublic(this,e,t)},a.prototype.genKeyPair=function(e){e=e||{};for(var t=new l({hash:this.hash,pers:e.pers,persEnc:e.persEnc||"utf8",entropy:e.entropy||n(this.hash.hmacStrength),entropyEnc:e.entropy&&e.entropyEnc||"utf8",nonce:this.n.toArray()}),i=this.n.byteLength(),r=this.n.sub(new b(2));;){var f=new b(t.generate(i));if(!(0<f.cmp(r)))return f.iaddn(1),this.keyFromPrivate(f)}},a.prototype._truncateToN=function(e,t,i){var r,f;b.isBN(e)||"number"==typeof e?f=(e=new b(e,16)).byteLength():e="object"==typeof e?(f=e.length,new b(e,16)):(f=(r=e.toString()).length+1>>>1,new b(r,16));i=(i="number"!=typeof i?8*f:i)-this.n.bitLength();return 0<i&&(e=e.ushrn(i)),!t&&0<=e.cmp(this.n)?e.sub(this.n):e},a.prototype.sign=function(e,t,i,r){if("object"==typeof i&&(r=i,i=null),r=r||{},"string"!=typeof e&&"number"!=typeof e&&!b.isBN(e)){p("object"==typeof e&&e&&"number"==typeof e.length,"Expected message to be an array-like, a hex string, or a BN instance"),p(e.length>>>0===e.length);for(var f=0;f<e.length;f++)p((255&e[f])===e[f])}t=this.keyFromPrivate(t,i),e=this._truncateToN(e,!1,r.msgBitLength),p(!e.isNeg(),"Can not sign a negative message");var n=this.n.byteLength(),i=t.getPrivate().toArray("be",n),n=e.toArray("be",n);p(new b(n).eq(e),"Can not sign message");for(var d=new l({hash:this.hash,entropy:i,nonce:n,pers:r.pers,persEnc:r.persEnc||"utf8"}),a=this.n.sub(new b(1)),s=0;;s++){var c=r.k?r.k(s):new b(d.generate(this.n.byteLength()));if(!((c=this._truncateToN(c,!0)).cmpn(1)<=0||0<=c.cmp(a))){var h=this.g.mul(c);if(!h.isInfinity()){var o=h.getX(),u=o.umod(this.n);if(0!==u.cmpn(0)){c=c.invm(this.n).mul(u.mul(t.getPrivate()).iadd(e));if(0!==(c=c.umod(this.n)).cmpn(0)){o=(h.getY().isOdd()?1:0)|(0!==o.cmp(u)?2:0);return r.canonical&&0<c.cmp(this.nh)&&(c=this.n.sub(c),o^=1),new m({r:u,s:c,recoveryParam:o})}}}}}},a.prototype.verify=function(e,t,i,r,f){f=f||{},e=this._truncateToN(e,!1,f.msgBitLength),i=this.keyFromPublic(i,r);r=(t=new m(t,"hex")).r,t=t.s;if(r.cmpn(1)<0||0<=r.cmp(this.n))return!1;if(t.cmpn(1)<0||0<=t.cmp(this.n))return!1;var n,t=t.invm(this.n),e=t.mul(e).umod(this.n),t=t.mul(r).umod(this.n);return this.curve._maxwellTrick?!(n=this.g.jmulAdd(e,i.getPublic(),t)).isInfinity()&&n.eqXToP(r):!(n=this.g.mulAdd(e,i.getPublic(),t)).isInfinity()&&0===n.getX().umod(this.n).cmp(r)},a.prototype.recoverPubKey=function(e,t,i,r){p((3&i)===i,"The recovery param is more than two bits"),t=new m(t,r);var f=this.n,n=new b(e),d=t.r,r=t.s,e=1&i,i=i>>1;if(0<=d.cmp(this.curve.p.umod(this.curve.n))&&i)throw new Error("Unable to find sencond key candinate");d=i?this.curve.pointFromX(d.add(this.curve.n),e):this.curve.pointFromX(d,e);t=t.r.invm(f),n=f.sub(n).mul(t).umod(f),f=r.mul(t).umod(f);return this.g.mulAdd(n,d,f)},a.prototype.getKeyRecoveryParam=function(e,t,i,r){if(null!==(t=new m(t,r)).recoveryParam)return t.recoveryParam;for(var f,n=0;n<4;n++){try{f=this.recoverPubKey(e,t,n)}catch(e){continue}if(f.eq(i))return n}throw new Error("Unable to find valid recovery factor")}},{"../curves":7,"../utils":15,"./key":9,"./signature":10,"bn.js":16,brorand:17,"hmac-drbg":31}],9:[function(e,t,i){"use strict";var r=e("bn.js"),f=e("../utils").assert;function n(e,t){this.ec=e,this.priv=null,this.pub=null,t.priv&&this._importPrivate(t.priv,t.privEnc),t.pub&&this._importPublic(t.pub,t.pubEnc)}(t.exports=n).fromPublic=function(e,t,i){return t instanceof n?t:new n(e,{pub:t,pubEnc:i})},n.fromPrivate=function(e,t,i){return t instanceof n?t:new n(e,{priv:t,privEnc:i})},n.prototype.validate=function(){var e=this.getPublic();return e.isInfinity()?{result:!1,reason:"Invalid public key"}:e.validate()?e.mul(this.ec.curve.n).isInfinity()?{result:!0,reason:null}:{result:!1,reason:"Public key * N != O"}:{result:!1,reason:"Public key is not a point"}},n.prototype.getPublic=function(e,t){return"string"==typeof e&&(t=e,e=null),this.pub||(this.pub=this.ec.g.mul(this.priv)),t?this.pub.encode(t,e):this.pub},n.prototype.getPrivate=function(e){return"hex"===e?this.priv.toString(16,2):this.priv},n.prototype._importPrivate=function(e,t){this.priv=new r(e,t||16),this.priv=this.priv.umod(this.ec.curve.n)},n.prototype._importPublic=function(e,t){if(e.x||e.y)return"mont"===this.ec.curve.type?f(e.x,"Need x coordinate"):"short"!==this.ec.curve.type&&"edwards"!==this.ec.curve.type||f(e.x&&e.y,"Need both x and y coordinate"),void(this.pub=this.ec.curve.point(e.x,e.y));this.pub=this.ec.curve.decodePoint(e,t)},n.prototype.derive=function(e){return e.validate()||f(e.validate(),"public point not validated"),e.mul(this.priv).getX()},n.prototype.sign=function(e,t,i){return this.ec.sign(e,this,t,i)},n.prototype.verify=function(e,t,i){return this.ec.verify(e,t,this,void 0,i)},n.prototype.inspect=function(){return"<Key priv: "+(this.priv&&this.priv.toString(16,2))+" pub: "+(this.pub&&this.pub.inspect())+" >"}},{"../utils":15,"bn.js":16}],10:[function(e,t,i){"use strict";var f=e("bn.js"),n=e("../utils"),r=n.assert;function d(e,t){if(e instanceof d)return e;this._importDER(e,t)||(r(e.r&&e.s,"Signature without r or s"),this.r=new f(e.r,16),this.s=new f(e.s,16),void 0===e.recoveryParam?this.recoveryParam=null:this.recoveryParam=e.recoveryParam)}function a(){this.place=0}function s(e,t){var i=e[t.place++];if(!(128&i))return i;var r=15&i;if(0==r||4<r)return!1;if(0===e[t.place])return!1;for(var f=0,n=0,d=t.place;n<r;n++,d++)f<<=8,f|=e[d],f>>>=0;return!(f<=127)&&(t.place=d,f)}function c(e){for(var t=0,i=e.length-1;!e[t]&&!(128&e[t+1])&&t<i;)t++;return 0===t?e:e.slice(t)}function h(e,t){if(t<128)e.push(t);else{var i=1+(Math.log(t)/Math.LN2>>>3);for(e.push(128|i);--i;)e.push(t>>>(i<<3)&255);e.push(t)}}(t.exports=d).prototype._importDER=function(e,t){e=n.toArray(e,t);var i=new a;if(48!==e[i.place++])return!1;var r=s(e,i);if(!1===r)return!1;if(r+i.place!==e.length)return!1;if(2!==e[i.place++])return!1;t=s(e,i);if(!1===t)return!1;if(0!=(128&e[i.place]))return!1;r=e.slice(i.place,t+i.place);if(i.place+=t,2!==e[i.place++])return!1;t=s(e,i);if(!1===t)return!1;if(e.length!==t+i.place)return!1;if(0!=(128&e[i.place]))return!1;i=e.slice(i.place,t+i.place);if(0===r[0]){if(!(128&r[1]))return!1;r=r.slice(1)}if(0===i[0]){if(!(128&i[1]))return!1;i=i.slice(1)}return this.r=new f(r),this.s=new f(i),!(this.recoveryParam=null)},d.prototype.toDER=function(e){var t=this.r.toArray(),i=this.s.toArray();for(128&t[0]&&(t=[0].concat(t)),128&i[0]&&(i=[0].concat(i)),t=c(t),i=c(i);!(i[0]||128&i[1]);)i=i.slice(1);var r=[2];h(r,t.length),(r=r.concat(t)).push(2),h(r,i.length);t=r.concat(i),r=[48];return h(r,t.length),r=r.concat(t),n.encode(r,e)}},{"../utils":15,"bn.js":16}],11:[function(e,t,i){"use strict";var r=e("hash.js"),f=e("../curves"),n=e("../utils"),d=n.assert,a=n.parseBytes,s=e("./key"),c=e("./signature");function h(e){if(d("ed25519"===e,"only tested with ed25519 so far"),!(this instanceof h))return new h(e);e=f[e].curve,this.curve=e,this.g=e.g,this.g.precompute(e.n.bitLength()+1),this.pointClass=e.point().constructor,this.encodingLength=Math.ceil(e.n.bitLength()/8),this.hash=r.sha512}(t.exports=h).prototype.sign=function(e,t){e=a(e);var i=this.keyFromSecret(t),r=this.hashInt(i.messagePrefix(),e),f=this.g.mul(r),t=this.encodePoint(f),i=this.hashInt(t,i.pubBytes(),e).mul(i.priv()),i=r.add(i).umod(this.curve.n);return this.makeSignature({R:f,S:i,Rencoded:t})},h.prototype.verify=function(e,t,i){if(e=a(e),(t=this.makeSignature(t)).S().gte(t.eddsa.curve.n)||t.S().isNeg())return!1;var r=this.keyFromPublic(i),i=this.hashInt(t.Rencoded(),r.pubBytes(),e),e=this.g.mul(t.S());return t.R().add(r.pub().mul(i)).eq(e)},h.prototype.hashInt=function(){for(var e=this.hash(),t=0;t<arguments.length;t++)e.update(arguments[t]);return n.intFromLE(e.digest()).umod(this.curve.n)},h.prototype.keyFromPublic=function(e){return s.fromPublic(this,e)},h.prototype.keyFromSecret=function(e){return s.fromSecret(this,e)},h.prototype.makeSignature=function(e){return e instanceof c?e:new c(this,e)},h.prototype.encodePoint=function(e){var t=e.getY().toArray("le",this.encodingLength);return t[this.encodingLength-1]|=e.getX().isOdd()?128:0,t},h.prototype.decodePoint=function(e){var t=(e=n.parseBytes(e)).length-1,i=e.slice(0,t).concat(-129&e[t]),t=0!=(128&e[t]),i=n.intFromLE(i);return this.curve.pointFromY(i,t)},h.prototype.encodeInt=function(e){return e.toArray("le",this.encodingLength)},h.prototype.decodeInt=function(e){return n.intFromLE(e)},h.prototype.isPoint=function(e){return e instanceof this.pointClass}},{"../curves":7,"../utils":15,"./key":12,"./signature":13,"hash.js":19}],12:[function(e,t,i){"use strict";var r=e("../utils"),f=r.assert,n=r.parseBytes,e=r.cachedProperty;function d(e,t){this.eddsa=e,this._secret=n(t.secret),e.isPoint(t.pub)?this._pub=t.pub:this._pubBytes=n(t.pub)}d.fromPublic=function(e,t){return t instanceof d?t:new d(e,{pub:t})},d.fromSecret=function(e,t){return t instanceof d?t:new d(e,{secret:t})},d.prototype.secret=function(){return this._secret},e(d,"pubBytes",function(){return this.eddsa.encodePoint(this.pub())}),e(d,"pub",function(){return this._pubBytes?this.eddsa.decodePoint(this._pubBytes):this.eddsa.g.mul(this.priv())}),e(d,"privBytes",function(){var e=this.eddsa,t=this.hash(),i=e.encodingLength-1,e=t.slice(0,e.encodingLength);return e[0]&=248,e[i]&=127,e[i]|=64,e}),e(d,"priv",function(){return this.eddsa.decodeInt(this.privBytes())}),e(d,"hash",function(){return this.eddsa.hash().update(this.secret()).digest()}),e(d,"messagePrefix",function(){return this.hash().slice(this.eddsa.encodingLength)}),d.prototype.sign=function(e){return f(this._secret,"KeyPair can only verify"),this.eddsa.sign(e,this)},d.prototype.verify=function(e,t){return this.eddsa.verify(e,t,this)},d.prototype.getSecret=function(e){return f(this._secret,"KeyPair is public only"),r.encode(this.secret(),e)},d.prototype.getPublic=function(e){return r.encode(this.pubBytes(),e)},t.exports=d},{"../utils":15}],13:[function(e,t,i){"use strict";var r=e("bn.js"),f=e("../utils"),n=f.assert,e=f.cachedProperty,d=f.parseBytes;function a(e,t){this.eddsa=e,"object"!=typeof t&&(t=d(t)),Array.isArray(t)&&(n(t.length===2*e.encodingLength,"Signature has invalid size"),t={R:t.slice(0,e.encodingLength),S:t.slice(e.encodingLength)}),n(t.R&&t.S,"Signature without R or S"),e.isPoint(t.R)&&(this._R=t.R),t.S instanceof r&&(this._S=t.S),this._Rencoded=Array.isArray(t.R)?t.R:t.Rencoded,this._Sencoded=Array.isArray(t.S)?t.S:t.Sencoded}e(a,"S",function(){return this.eddsa.decodeInt(this.Sencoded())}),e(a,"R",function(){return this.eddsa.decodePoint(this.Rencoded())}),e(a,"Rencoded",function(){return this.eddsa.encodePoint(this.R())}),e(a,"Sencoded",function(){return this.eddsa.encodeInt(this.S())}),a.prototype.toBytes=function(){return this.Rencoded().concat(this.Sencoded())},a.prototype.toHex=function(){return 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strict";var r=i,f=e("bn.js"),i=e("minimalistic-assert"),e=e("minimalistic-crypto-utils");r.assert=i,r.toArray=e.toArray,r.zero2=e.zero2,r.toHex=e.toHex,r.encode=e.encode,r.getNAF=function(e,t,i){for(var r=new Array(Math.max(e.bitLength(),i)+1),f=0;f<r.length;f+=1)r[f]=0;var n=1<<t+1,d=e.clone();for(f=0;f<r.length;f++){var a,s=d.andln(n-1);d.isOdd()?(a=(n>>1)-1<s?(n>>1)-s:s,d.isubn(a)):a=0,r[f]=a,d.iushrn(1)}return r},r.getJSF=function(e,t){var i=[[],[]];e=e.clone(),t=t.clone();for(var r,f=0,n=0;0<e.cmpn(-f)||0<t.cmpn(-n);){var d,a=e.andln(3)+f&3,s=t.andln(3)+n&3;3===s&&(s=-1),d=0==(1&(a=3===a?-1:a))?0:3!==(r=e.andln(7)+f&7)&&5!==r||2!==s?a:-a,i[0].push(d),s=0==(1&s)?0:3!==(r=t.andln(7)+n&7)&&5!==r||2!==a?s:-s,i[1].push(s),2*f===d+1&&(f=1-f),2*n===s+1&&(n=1-n),e.iushrn(1),t.iushrn(1)}return i},r.cachedProperty=function(e,t,i){var r="_"+t;e.prototype[t]=function(){return void 0!==this[r]?this[r]:this[r]=i.call(this)}},r.parseBytes=function(e){return"string"==typeof e?r.toArray(e,"hex"):e},r.intFromLE=function(e){return new f(e,"hex","le")}},{"bn.js":16,"minimalistic-assert":33,"minimalistic-crypto-utils":34}],16:[function(_,e,t){!function(e,t){"use strict";function p(e,t){if(!e)throw new Error(t||"Assertion failed")}function i(e,t){e.super_=t;function i(){}i.prototype=t.prototype,e.prototype=new i,e.prototype.constructor=e}function m(e,t,i){if(m.isBN(e))return e;this.negative=0,this.words=null,this.length=0,(this.red=null)!==e&&("le"!==t&&"be"!==t||(i=t,t=10),this._init(e||0,t||10,i||"be"))}var r;"object"==typeof e?e.exports=m:t.BN=m,(m.BN=m).wordSize=26;try{r=_("buffer").Buffer}catch(e){}function d(e,t,i){for(var r=0,f=Math.min(e.length,i),n=t;n<f;n++){var d=e.charCodeAt(n)-48;r<<=4,r|=49<=d&&d<=54?d-49+10:17<=d&&d<=22?d-17+10:15&d}return r}function o(e,t,i,r){for(var f=0,n=Math.min(e.length,i),d=t;d<n;d++){var a=e.charCodeAt(d)-48;f*=r,f+=49<=a?a-49+10:17<=a?a-17+10:a}return f}m.isBN=function(e){return e instanceof m||null!==e&&"object"==typeof 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r=0,f=this.length=1;f<=67108863;f*=t)r++;r--,f=f/t|0;for(var n=e.length-i,d=n%r,a=Math.min(n,n-d)+i,s=0,c=i;c<a;c+=r)s=o(e,c,c+r,t),this.imuln(f),this.words[0]+s<67108864?this.words[0]+=s:this._iaddn(s);if(0!=d){for(var h=1,s=o(e,c,e.length,t),c=0;c<d;c++)h*=t;this.imuln(h),this.words[0]+s<67108864?this.words[0]+=s:this._iaddn(s)}},m.prototype.copy=function(e){e.words=new Array(this.length);for(var t=0;t<this.length;t++)e.words[t]=this.words[t];e.length=this.length,e.negative=this.negative,e.red=this.red},m.prototype.clone=function(){var e=new m(null);return this.copy(e),e},m.prototype._expand=function(e){for(;this.length<e;)this.words[this.length++]=0;return this},m.prototype.strip=function(){for(;1<this.length&&0===this.words[this.length-1];)this.length--;return this._normSign()},m.prototype._normSign=function(){return 1===this.length&&0===this.words[0]&&(this.negative=0),this},m.prototype.inspect=function(){return(this.red?"<BN-R: ":"<BN: ")+this.toString(16)+">"};var 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a=n>>>26,s=67108863&n,c=Math.min(d,t.length-1),h=Math.max(0,d-e.length+1);h<=c;h++){var o,u=d-h|0;a+=(o=(0|e.words[u])*(0|t.words[h])+s)/67108864|0,s=67108863&o}i.words[d]=0|s,n=0|a}return 0!==n?i.words[d]=0|n:i.length--,i.strip()}m.prototype.toString=function(e,t){if(t=0|t||1,16===(e=e||10)||"hex"===e){a="";for(var i=0,r=0,f=0;f<this.length;f++){var n=this.words[f],d=(16777215&(n<<i|r)).toString(16),a=0!==(r=n>>>24-i&16777215)||f!==this.length-1?u[6-d.length]+d+a:d+a;26<=(i+=2)&&(i-=26,f--)}for(0!==r&&(a=r.toString(16)+a);a.length%t!=0;)a="0"+a;return a=0!==this.negative?"-"+a:a}if(e===(0|e)&&2<=e&&e<=36){var s=b[e],c=l[e];for(a="",(h=this.clone()).negative=0;!h.isZero();){var h,o=h.modn(c).toString(e);a=(h=h.idivn(c)).isZero()?o+a:u[s-o.length]+o+a}for(this.isZero()&&(a="0"+a);a.length%t!=0;)a="0"+a;return a=0!==this.negative?"-"+a:a}p(!1,"Base should be between 2 and 36")},m.prototype.toNumber=function(){var e=this.words[0];return 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t,i,r;if(0!==this.negative&&0===e.negative)return this.negative=0,t=this.isub(e),this.negative^=1,this._normSign();if(0===this.negative&&0!==e.negative)return e.negative=0,t=this.isub(e),e.negative=1,t._normSign();r=this.length>e.length?(i=this,e):(i=e,this);for(var f=0,n=0;n<r.length;n++)t=(0|i.words[n])+(0|r.words[n])+f,this.words[n]=67108863&t,f=t>>>26;for(;0!==f&&n<i.length;n++)t=(0|i.words[n])+f,this.words[n]=67108863&t,f=t>>>26;if(this.length=i.length,0!==f)this.words[this.length]=f,this.length++;else if(i!==this)for(;n<i.length;n++)this.words[n]=i.words[n];return this},m.prototype.add=function(e){var t;return 0!==e.negative&&0===this.negative?(e.negative=0,t=this.sub(e),e.negative^=1,t):0===e.negative&&0!==this.negative?(this.negative=0,t=e.sub(this),this.negative=1,t):this.length>e.length?this.clone().iadd(e):e.clone().iadd(this)},m.prototype.isub=function(e){if(0!==e.negative){e.negative=0;var t=this.iadd(e);return e.negative=1,t._normSign()}if(0!==this.negative)return this.negative=0,this.iadd(e),this.negative=1,this._normSign();var i,r,f=this.cmp(e);if(0===f)return this.negative=0,this.length=1,this.words[0]=0,this;r=0<f?(i=this,e):(i=e,this);for(var n=0,d=0;d<r.length;d++)n=(t=(0|i.words[d])-(0|r.words[d])+n)>>26,this.words[d]=67108863&t;for(;0!==n&&d<i.length;d++)n=(t=(0|i.words[d])+n)>>26,this.words[d]=67108863&t;if(0===n&&d<i.length&&i!==this)for(;d<i.length;d++)this.words[d]=i.words[d];return this.length=Math.max(this.length,d),i!==this&&(this.negative=1),this.strip()},m.prototype.sub=function(e){return this.clone().isub(e)};var n=function(e,t,i){var r=e.words,f=t.words,n=i.words,d=0|r[0],a=8191&d,s=d>>>13,c=0|r[1],h=8191&c,o=c>>>13,u=0|r[2],b=8191&u,l=u>>>13,p=0|r[3],m=8191&p,v=p>>>13,g=0|r[4],y=8191&g,M=g>>>13,w=0|r[5],S=8191&w,_=w>>>13,A=0|r[6],x=8191&A,I=A>>>13,z=0|r[7],q=8191&z,R=z>>>13,k=0|r[8],P=8191&k,j=k>>>13,N=0|r[9],E=8191&N,B=N>>>13,L=0|f[0],O=8191&L,C=L>>>13,F=0|f[1],T=8191&F,Z=F>>>13,J=0|f[2],H=8191&J,D=J>>>13,X=0|f[3],K=8191&X,V=X>>>13,W=0|f[4],U=8191&W,Y=W>>>13,G=0|f[5],Q=8191&G,$=G>>>13,d=0|f[6],c=8191&d,u=d>>>13,p=0|f[7],g=8191&p,w=p>>>13,A=0|f[8],z=8191&A,k=A>>>13,r=0|f[9],N=8191&r,L=r>>>13;i.negative=e.negative^t.negative,i.length=19;var X=(0+Math.imul(a,O)|0)+((8191&(J=Math.imul(a,C)+Math.imul(s,O)|0))<<13)|0,ee=(Math.imul(s,C)+(J>>>13)|0)+(X>>>26)|0;X&=67108863,F=Math.imul(h,O),J=Math.imul(h,C)+Math.imul(o,O)|0,W=Math.imul(o,C);G=(ee+(F+Math.imul(a,T)|0)|0)+((8191&(J=(J+Math.imul(a,Z)|0)+Math.imul(s,T)|0))<<13)|0;ee=((W+Math.imul(s,Z)|0)+(J>>>13)|0)+(G>>>26)|0,G&=67108863,F=Math.imul(b,O),J=Math.imul(b,C)+Math.imul(l,O)|0,W=Math.imul(l,C),F=F+Math.imul(h,T)|0,J=(J+Math.imul(h,Z)|0)+Math.imul(o,T)|0,W=W+Math.imul(o,Z)|0;d=(ee+(F+Math.imul(a,H)|0)|0)+((8191&(J=(J+Math.imul(a,D)|0)+Math.imul(s,H)|0))<<13)|0;ee=((W+Math.imul(s,D)|0)+(J>>>13)|0)+(d>>>26)|0,d&=67108863,F=Math.imul(m,O),J=Math.imul(m,C)+Math.imul(v,O)|0,W=Math.imul(v,C),F=F+Math.imul(b,T)|0,J=(J+Math.imul(b,Z)|0)+Math.imul(l,T)|0,W=W+Math.imul(l,Z)|0,F=F+Math.imul(h,H)|0,J=(J+Math.imul(h,D)|0)+Math.imul(o,H)|0,W=W+Math.imul(o,D)|0;p=(ee+(F+Math.imul(a,K)|0)|0)+((8191&(J=(J+Math.imul(a,V)|0)+Math.imul(s,K)|0))<<13)|0;ee=((W+Math.imul(s,V)|0)+(J>>>13)|0)+(p>>>26)|0,p&=67108863,F=Math.imul(y,O),J=Math.imul(y,C)+Math.imul(M,O)|0,W=Math.imul(M,C),F=F+Math.imul(m,T)|0,J=(J+Math.imul(m,Z)|0)+Math.imul(v,T)|0,W=W+Math.imul(v,Z)|0,F=F+Math.imul(b,H)|0,J=(J+Math.imul(b,D)|0)+Math.imul(l,H)|0,W=W+Math.imul(l,D)|0,F=F+Math.imul(h,K)|0,J=(J+Math.imul(h,V)|0)+Math.imul(o,K)|0,W=W+Math.imul(o,V)|0;A=(ee+(F+Math.imul(a,U)|0)|0)+((8191&(J=(J+Math.imul(a,Y)|0)+Math.imul(s,U)|0))<<13)|0;ee=((W+Math.imul(s,Y)|0)+(J>>>13)|0)+(A>>>26)|0,A&=67108863,F=Math.imul(S,O),J=Math.imul(S,C)+Math.imul(_,O)|0,W=Math.imul(_,C),F=F+Math.imul(y,T)|0,J=(J+Math.imul(y,Z)|0)+Math.imul(M,T)|0,W=W+Math.imul(M,Z)|0,F=F+Math.imul(m,H)|0,J=(J+Math.imul(m,D)|0)+Math.imul(v,H)|0,W=W+Math.imul(v,D)|0,F=F+Math.imul(b,K)|0,J=(J+Math.imul(b,V)|0)+Math.imul(l,K)|0,W=W+Math.imul(l,V)|0,F=F+Math.imul(h,U)|0,J=(J+Math.imul(h,Y)|0)+Math.imul(o,U)|0,W=W+Math.imul(o,Y)|0;f=(ee+(F+Math.imul(a,Q)|0)|0)+((8191&(J=(J+Math.imul(a,$)|0)+Math.imul(s,Q)|0))<<13)|0;ee=((W+Math.imul(s,$)|0)+(J>>>13)|0)+(f>>>26)|0,f&=67108863,F=Math.imul(x,O),J=Math.imul(x,C)+Math.imul(I,O)|0,W=Math.imul(I,C),F=F+Math.imul(S,T)|0,J=(J+Math.imul(S,Z)|0)+Math.imul(_,T)|0,W=W+Math.imul(_,Z)|0,F=F+Math.imul(y,H)|0,J=(J+Math.imul(y,D)|0)+Math.imul(M,H)|0,W=W+Math.imul(M,D)|0,F=F+Math.imul(m,K)|0,J=(J+Math.imul(m,V)|0)+Math.imul(v,K)|0,W=W+Math.imul(v,V)|0,F=F+Math.imul(b,U)|0,J=(J+Math.imul(b,Y)|0)+Math.imul(l,U)|0,W=W+Math.imul(l,Y)|0,F=F+Math.imul(h,Q)|0,J=(J+Math.imul(h,$)|0)+Math.imul(o,Q)|0,W=W+Math.imul(o,$)|0;r=(ee+(F+Math.imul(a,c)|0)|0)+((8191&(J=(J+Math.imul(a,u)|0)+Math.imul(s,c)|0))<<13)|0;ee=((W+Math.imul(s,u)|0)+(J>>>13)|0)+(r>>>26)|0,r&=67108863,F=Math.imul(q,O),J=Math.imul(q,C)+Math.imul(R,O)|0,W=Math.imul(R,C),F=F+Math.imul(x,T)|0,J=(J+Math.imul(x,Z)|0)+Math.imul(I,T)|0,W=W+Math.imul(I,Z)|0,F=F+Math.imul(S,H)|0,J=(J+Math.imul(S,D)|0)+Math.imul(_,H)|0,W=W+Math.imul(_,D)|0,F=F+Math.imul(y,K)|0,J=(J+Math.imul(y,V)|0)+Math.imul(M,K)|0,W=W+Math.imul(M,V)|0,F=F+Math.imul(m,U)|0,J=(J+Math.imul(m,Y)|0)+Math.imul(v,U)|0,W=W+Math.imul(v,Y)|0,F=F+Math.imul(b,Q)|0,J=(J+Math.imul(b,$)|0)+Math.imul(l,Q)|0,W=W+Math.imul(l,$)|0,F=F+Math.imul(h,c)|0,J=(J+Math.imul(h,u)|0)+Math.imul(o,c)|0,W=W+Math.imul(o,u)|0;e=(ee+(F+Math.imul(a,g)|0)|0)+((8191&(J=(J+Math.imul(a,w)|0)+Math.imul(s,g)|0))<<13)|0;ee=((W+Math.imul(s,w)|0)+(J>>>13)|0)+(e>>>26)|0,e&=67108863,F=Math.imul(P,O),J=Math.imul(P,C)+Math.imul(j,O)|0,W=Math.imul(j,C),F=F+Math.imul(q,T)|0,J=(J+Math.imul(q,Z)|0)+Math.imul(R,T)|0,W=W+Math.imul(R,Z)|0,F=F+Math.imul(x,H)|0,J=(J+Math.imul(x,D)|0)+Math.imul(I,H)|0,W=W+Math.imul(I,D)|0,F=F+Math.imul(S,K)|0,J=(J+Math.imul(S,V)|0)+Math.imul(_,K)|0,W=W+Math.imul(_,V)|0,F=F+Math.imul(y,U)|0,J=(J+Math.imul(y,Y)|0)+Math.imul(M,U)|0,W=W+Math.imul(M,Y)|0,F=F+Math.imul(m,Q)|0,J=(J+Math.imul(m,$)|0)+Math.imul(v,Q)|0,W=W+Math.imul(v,$)|0,F=F+Math.imul(b,c)|0,J=(J+Math.imul(b,u)|0)+Math.imul(l,c)|0,W=W+Math.imul(l,u)|0,F=F+Math.imul(h,g)|0,J=(J+Math.imul(h,w)|0)+Math.imul(o,g)|0,W=W+Math.imul(o,w)|0;t=(ee+(F+Math.imul(a,z)|0)|0)+((8191&(J=(J+Math.imul(a,k)|0)+Math.imul(s,z)|0))<<13)|0;ee=((W+Math.imul(s,k)|0)+(J>>>13)|0)+(t>>>26)|0,t&=67108863,F=Math.imul(E,O),J=Math.imul(E,C)+Math.imul(B,O)|0,W=Math.imul(B,C),F=F+Math.imul(P,T)|0,J=(J+Math.imul(P,Z)|0)+Math.imul(j,T)|0,W=W+Math.imul(j,Z)|0,F=F+Math.imul(q,H)|0,J=(J+Math.imul(q,D)|0)+Math.imul(R,H)|0,W=W+Math.imul(R,D)|0,F=F+Math.imul(x,K)|0,J=(J+Math.imul(x,V)|0)+Math.imul(I,K)|0,W=W+Math.imul(I,V)|0,F=F+Math.imul(S,U)|0,J=(J+Math.imul(S,Y)|0)+Math.imul(_,U)|0,W=W+Math.imul(_,Y)|0,F=F+Math.imul(y,Q)|0,J=(J+Math.imul(y,$)|0)+Math.imul(M,Q)|0,W=W+Math.imul(M,$)|0,F=F+Math.imul(m,c)|0,J=(J+Math.imul(m,u)|0)+Math.imul(v,c)|0,W=W+Math.imul(v,u)|0,F=F+Math.imul(b,g)|0,J=(J+Math.imul(b,w)|0)+Math.imul(l,g)|0,W=W+Math.imul(l,w)|0,F=F+Math.imul(h,z)|0,J=(J+Math.imul(h,k)|0)+Math.imul(o,z)|0,W=W+Math.imul(o,k)|0;a=(ee+(F+Math.imul(a,N)|0)|0)+((8191&(J=(J+Math.imul(a,L)|0)+Math.imul(s,N)|0))<<13)|0;ee=((W+Math.imul(s,L)|0)+(J>>>13)|0)+(a>>>26)|0,a&=67108863,F=Math.imul(E,T),J=Math.imul(E,Z)+Math.imul(B,T)|0,W=Math.imul(B,Z),F=F+Math.imul(P,H)|0,J=(J+Math.imul(P,D)|0)+Math.imul(j,H)|0,W=W+Math.imul(j,D)|0,F=F+Math.imul(q,K)|0,J=(J+Math.imul(q,V)|0)+Math.imul(R,K)|0,W=W+Math.imul(R,V)|0,F=F+Math.imul(x,U)|0,J=(J+Math.imul(x,Y)|0)+Math.imul(I,U)|0,W=W+Math.imul(I,Y)|0,F=F+Math.imul(S,Q)|0,J=(J+Math.imul(S,$)|0)+Math.imul(_,Q)|0,W=W+Math.imul(_,$)|0,F=F+Math.imul(y,c)|0,J=(J+Math.imul(y,u)|0)+Math.imul(M,c)|0,W=W+Math.imul(M,u)|0,F=F+Math.imul(m,g)|0,J=(J+Math.imul(m,w)|0)+Math.imul(v,g)|0,W=W+Math.imul(v,w)|0,F=F+Math.imul(b,z)|0,J=(J+Math.imul(b,k)|0)+Math.imul(l,z)|0,W=W+Math.imul(l,k)|0;h=(ee+(F+Math.imul(h,N)|0)|0)+((8191&(J=(J+Math.imul(h,L)|0)+Math.imul(o,N)|0))<<13)|0;ee=((W+Math.imul(o,L)|0)+(J>>>13)|0)+(h>>>26)|0,h&=67108863,F=Math.imul(E,H),J=Math.imul(E,D)+Math.imul(B,H)|0,W=Math.imul(B,D),F=F+Math.imul(P,K)|0,J=(J+Math.imul(P,V)|0)+Math.imul(j,K)|0,W=W+Math.imul(j,V)|0,F=F+Math.imul(q,U)|0,J=(J+Math.imul(q,Y)|0)+Math.imul(R,U)|0,W=W+Math.imul(R,Y)|0,F=F+Math.imul(x,Q)|0,J=(J+Math.imul(x,$)|0)+Math.imul(I,Q)|0,W=W+Math.imul(I,$)|0,F=F+Math.imul(S,c)|0,J=(J+Math.imul(S,u)|0)+Math.imul(_,c)|0,W=W+Math.imul(_,u)|0,F=F+Math.imul(y,g)|0,J=(J+Math.imul(y,w)|0)+Math.imul(M,g)|0,W=W+Math.imul(M,w)|0,F=F+Math.imul(m,z)|0,J=(J+Math.imul(m,k)|0)+Math.imul(v,z)|0,W=W+Math.imul(v,k)|0;b=(ee+(F+Math.imul(b,N)|0)|0)+((8191&(J=(J+Math.imul(b,L)|0)+Math.imul(l,N)|0))<<13)|0;ee=((W+Math.imul(l,L)|0)+(J>>>13)|0)+(b>>>26)|0,b&=67108863,F=Math.imul(E,K),J=Math.imul(E,V)+Math.imul(B,K)|0,W=Math.imul(B,V),F=F+Math.imul(P,U)|0,J=(J+Math.imul(P,Y)|0)+Math.imul(j,U)|0,W=W+Math.imul(j,Y)|0,F=F+Math.imul(q,Q)|0,J=(J+Math.imul(q,$)|0)+Math.imul(R,Q)|0,W=W+Math.imul(R,$)|0,F=F+Math.imul(x,c)|0,J=(J+Math.imul(x,u)|0)+Math.imul(I,c)|0,W=W+Math.imul(I,u)|0,F=F+Math.imul(S,g)|0,J=(J+Math.imul(S,w)|0)+Math.imul(_,g)|0,W=W+Math.imul(_,w)|0,F=F+Math.imul(y,z)|0,J=(J+Math.imul(y,k)|0)+Math.imul(M,z)|0,W=W+Math.imul(M,k)|0;m=(ee+(F+Math.imul(m,N)|0)|0)+((8191&(J=(J+Math.imul(m,L)|0)+Math.imul(v,N)|0))<<13)|0;ee=((W+Math.imul(v,L)|0)+(J>>>13)|0)+(m>>>26)|0,m&=67108863,F=Math.imul(E,U),J=Math.imul(E,Y)+Math.imul(B,U)|0,W=Math.imul(B,Y),F=F+Math.imul(P,Q)|0,J=(J+Math.imul(P,$)|0)+Math.imul(j,Q)|0,W=W+Math.imul(j,$)|0,F=F+Math.imul(q,c)|0,J=(J+Math.imul(q,u)|0)+Math.imul(R,c)|0,W=W+Math.imul(R,u)|0,F=F+Math.imul(x,g)|0,J=(J+Math.imul(x,w)|0)+Math.imul(I,g)|0,W=W+Math.imul(I,w)|0,F=F+Math.imul(S,z)|0,J=(J+Math.imul(S,k)|0)+Math.imul(_,z)|0,W=W+Math.imul(_,k)|0;y=(ee+(F+Math.imul(y,N)|0)|0)+((8191&(J=(J+Math.imul(y,L)|0)+Math.imul(M,N)|0))<<13)|0;ee=((W+Math.imul(M,L)|0)+(J>>>13)|0)+(y>>>26)|0,y&=67108863,F=Math.imul(E,Q),J=Math.imul(E,$)+Math.imul(B,Q)|0,W=Math.imul(B,$),F=F+Math.imul(P,c)|0,J=(J+Math.imul(P,u)|0)+Math.imul(j,c)|0,W=W+Math.imul(j,u)|0,F=F+Math.imul(q,g)|0,J=(J+Math.imul(q,w)|0)+Math.imul(R,g)|0,W=W+Math.imul(R,w)|0,F=F+Math.imul(x,z)|0,J=(J+Math.imul(x,k)|0)+Math.imul(I,z)|0,W=W+Math.imul(I,k)|0;S=(ee+(F+Math.imul(S,N)|0)|0)+((8191&(J=(J+Math.imul(S,L)|0)+Math.imul(_,N)|0))<<13)|0;ee=((W+Math.imul(_,L)|0)+(J>>>13)|0)+(S>>>26)|0,S&=67108863,F=Math.imul(E,c),J=Math.imul(E,u)+Math.imul(B,c)|0,W=Math.imul(B,u),F=F+Math.imul(P,g)|0,J=(J+Math.imul(P,w)|0)+Math.imul(j,g)|0,W=W+Math.imul(j,w)|0,F=F+Math.imul(q,z)|0,J=(J+Math.imul(q,k)|0)+Math.imul(R,z)|0,W=W+Math.imul(R,k)|0;x=(ee+(F+Math.imul(x,N)|0)|0)+((8191&(J=(J+Math.imul(x,L)|0)+Math.imul(I,N)|0))<<13)|0;ee=((W+Math.imul(I,L)|0)+(J>>>13)|0)+(x>>>26)|0,x&=67108863,F=Math.imul(E,g),J=Math.imul(E,w)+Math.imul(B,g)|0,W=Math.imul(B,w),F=F+Math.imul(P,z)|0,J=(J+Math.imul(P,k)|0)+Math.imul(j,z)|0,W=W+Math.imul(j,k)|0;q=(ee+(F+Math.imul(q,N)|0)|0)+((8191&(J=(J+Math.imul(q,L)|0)+Math.imul(R,N)|0))<<13)|0;ee=((W+Math.imul(R,L)|0)+(J>>>13)|0)+(q>>>26)|0,q&=67108863,F=Math.imul(E,z),J=Math.imul(E,k)+Math.imul(B,z)|0,W=Math.imul(B,k);P=(ee+(F+Math.imul(P,N)|0)|0)+((8191&(J=(J+Math.imul(P,L)|0)+Math.imul(j,N)|0))<<13)|0;ee=((W+Math.imul(j,L)|0)+(J>>>13)|0)+(P>>>26)|0,P&=67108863;N=(ee+Math.imul(E,N)|0)+((8191&(J=Math.imul(E,L)+Math.imul(B,N)|0))<<13)|0;return ee=(Math.imul(B,L)+(J>>>13)|0)+(N>>>26)|0,N&=67108863,n[0]=X,n[1]=G,n[2]=d,n[3]=p,n[4]=A,n[5]=f,n[6]=r,n[7]=e,n[8]=t,n[9]=a,n[10]=h,n[11]=b,n[12]=m,n[13]=y,n[14]=S,n[15]=x,n[16]=q,n[17]=P,n[18]=N,0!=ee&&(n[19]=ee,i.length++),i};function a(e,t,i){return(new s).mulp(e,t,i)}function s(e,t){this.x=e,this.y=t}Math.imul||(n=f),m.prototype.mulTo=function(e,t){var i=this.length+e.length,t=(10===this.length&&10===e.length?n:i<63?f:i<1024?function(e,t,i){i.negative=t.negative^e.negative,i.length=e.length+t.length;for(var r=0,f=0,n=0;n<i.length-1;n++){for(var d=f,f=0,a=67108863&r,s=Math.min(n,t.length-1),c=Math.max(0,n-e.length+1);c<=s;c++){var h=n-c,o=(0|e.words[h])*(0|t.words[c]),h=67108863&o,a=67108863&(h=h+a|0);f+=(d=(d=d+(o/67108864|0)|0)+(h>>>26)|0)>>>26,d&=67108863}i.words[n]=a,r=d,d=f}return 0!==r?i.words[n]=r:i.length--,i.strip()}:a)(this,e,t);return t},s.prototype.makeRBT=function(e){for(var t=new Array(e),i=m.prototype._countBits(e)-1,r=0;r<e;r++)t[r]=this.revBin(r,i,e);return t},s.prototype.revBin=function(e,t,i){if(0===e||e===i-1)return e;for(var r=0,f=0;f<t;f++)r|=(1&e)<<t-f-1,e>>=1;return r},s.prototype.permute=function(e,t,i,r,f,n){for(var d=0;d<n;d++)r[d]=t[e[d]],f[d]=i[e[d]]},s.prototype.transform=function(e,t,i,r,f,n){this.permute(n,e,t,i,r,f);for(var d=1;d<f;d<<=1)for(var a=d<<1,s=Math.cos(2*Math.PI/a),c=Math.sin(2*Math.PI/a),h=0;h<f;h+=a)for(var o=s,u=c,b=0;b<d;b++){var l=i[h+b],p=r[h+b],m=o*(g=i[h+b+d])-u*(v=r[h+b+d]),v=o*v+u*g,g=m;i[h+b]=l+g,r[h+b]=p+v,i[h+b+d]=l-g,r[h+b+d]=p-v,b!==a&&(m=s*o-c*u,u=s*u+c*o,o=m)}},s.prototype.guessLen13b=function(e,t){for(var e=1&(r=1|Math.max(t,e)),i=0,r=r/2|0;r;r>>>=1)i++;return 1<<i+1+e},s.prototype.conjugate=function(e,t,i){if(!(i<=1))for(var r=0;r<i/2;r++){var f=e[r];e[r]=e[i-r-1],e[i-r-1]=f,f=t[r],t[r]=-t[i-r-1],t[i-r-1]=-f}},s.prototype.normalize13b=function(e,t){for(var i=0,r=0;r<t/2;r++){var f=8192*Math.round(e[2*r+1]/t)+Math.round(e[2*r]/t)+i;e[r]=67108863&f,i=f<67108864?0:f/67108864|0}return e},s.prototype.convert13b=function(e,t,i,r){for(var f=0,n=0;n<t;n++)f+=0|e[n],i[2*n]=8191&f,f>>>=13,i[2*n+1]=8191&f,f>>>=13;for(n=2*t;n<r;++n)i[n]=0;p(0===f),p(0==(-8192&f))},s.prototype.stub=function(e){for(var t=new Array(e),i=0;i<e;i++)t[i]=0;return t},s.prototype.mulp=function(e,t,i){var r=2*this.guessLen13b(e.length,t.length),f=this.makeRBT(r),n=this.stub(r),d=new Array(r),a=new Array(r),s=new Array(r),c=new Array(r),h=new Array(r),o=new Array(r),u=i.words;u.length=r,this.convert13b(e.words,e.length,d,r),this.convert13b(t.words,t.length,c,r),this.transform(d,n,a,s,r,f),this.transform(c,n,h,o,r,f);for(var b=0;b<r;b++){var l=a[b]*h[b]-s[b]*o[b];s[b]=a[b]*o[b]+s[b]*h[b],a[b]=l}return this.conjugate(a,s,r),this.transform(a,s,u,n,r,f),this.conjugate(u,n,r),this.normalize13b(u,r),i.negative=e.negative^t.negative,i.length=e.length+t.length,i.strip()},m.prototype.mul=function(e){var t=new m(null);return t.words=new Array(this.length+e.length),this.mulTo(e,t)},m.prototype.mulf=function(e){var t=new m(null);return t.words=new Array(this.length+e.length),a(this,e,t)},m.prototype.imul=function(e){return this.clone().mulTo(e,this)},m.prototype.imuln=function(e){p("number"==typeof e),p(e<67108864);for(var t=0,i=0;i<this.length;i++){var r=(0|this.words[i])*e,f=(67108863&r)+(67108863&t);t>>=26,t+=r/67108864|0,t+=f>>>26,this.words[i]=67108863&f}return 0!==t&&(this.words[i]=t,this.length++),this},m.prototype.muln=function(e){return this.clone().imuln(e)},m.prototype.sqr=function(){return this.mul(this)},m.prototype.isqr=function(){return this.imul(this.clone())},m.prototype.pow=function(e){var t=function(e){for(var t=new Array(e.bitLength()),i=0;i<t.length;i++){var r=i/26|0,f=i%26;t[i]=(e.words[r]&1<<f)>>>f}return t}(e);if(0===t.length)return new m(1);for(var i=this,r=0;r<t.length&&0===t[r];r++,i=i.sqr());if(++r<t.length)for(var f=i.sqr();r<t.length;r++,f=f.sqr())0!==t[r]&&(i=i.mul(f));return i},m.prototype.iushln=function(e){p("number"==typeof e&&0<=e);var t=e%26,i=(e-t)/26,r=67108863>>>26-t<<26-t;if(0!=t){for(var f=0,n=0;n<this.length;n++){var d=this.words[n]&r,a=(0|this.words[n])-d<<t;this.words[n]=a|f,f=d>>>26-t}f&&(this.words[n]=f,this.length++)}if(0!=i){for(n=this.length-1;0<=n;n--)this.words[n+i]=this.words[n];for(n=0;n<i;n++)this.words[n]=0;this.length+=i}return this.strip()},m.prototype.ishln=function(e){return p(0===this.negative),this.iushln(e)},m.prototype.iushrn=function(e,t,i){var r;p("number"==typeof e&&0<=e),r=t?(t-t%26)/26:0;var f=e%26,n=Math.min((e-f)/26,this.length),d=67108863^67108863>>>f<<f,a=i;if(r-=n,r=Math.max(0,r),a){for(var s=0;s<n;s++)a.words[s]=this.words[s];a.length=n}if(0!==n)if(this.length>n)for(this.length-=n,s=0;s<this.length;s++)this.words[s]=this.words[s+n];else this.words[0]=0,this.length=1;for(var c=0,s=this.length-1;0<=s&&(0!==c||r<=s);s--){var h=0|this.words[s];this.words[s]=c<<26-f|h>>>f,c=h&d}return a&&0!==c&&(a.words[a.length++]=c),0===this.length&&(this.words[0]=0,this.length=1),this.strip()},m.prototype.ishrn=function(e,t,i){return p(0===this.negative),this.iushrn(e,t,i)},m.prototype.shln=function(e){return this.clone().ishln(e)},m.prototype.ushln=function(e){return this.clone().iushln(e)},m.prototype.shrn=function(e){return this.clone().ishrn(e)},m.prototype.ushrn=function(e){return this.clone().iushrn(e)},m.prototype.testn=function(e){p("number"==typeof e&&0<=e);var t=e%26,e=(e-t)/26,t=1<<t;return!(this.length<=e)&&!!(this.words[e]&t)},m.prototype.imaskn=function(e){p("number"==typeof e&&0<=e);var t=e%26,e=(e-t)/26;return p(0===this.negative,"imaskn works only with positive numbers"),this.length<=e?this:(0!=t&&e++,this.length=Math.min(e,this.length),0!=t&&(t=67108863^67108863>>>t<<t,this.words[this.length-1]&=t),this.strip())},m.prototype.maskn=function(e){return this.clone().imaskn(e)},m.prototype.iaddn=function(e){return p("number"==typeof e),p(e<67108864),e<0?this.isubn(-e):0!==this.negative?(1===this.length&&(0|this.words[0])<e?(this.words[0]=e-(0|this.words[0]),this.negative=0):(this.negative=0,this.isubn(e),this.negative=1),this):this._iaddn(e)},m.prototype._iaddn=function(e){this.words[0]+=e;for(var t=0;t<this.length&&67108864<=this.words[t];t++)this.words[t]-=67108864,t===this.length-1?this.words[t+1]=1:this.words[t+1]++;return this.length=Math.max(this.length,t+1),this},m.prototype.isubn=function(e){if(p("number"==typeof e),p(e<67108864),e<0)return this.iaddn(-e);if(0!==this.negative)return this.negative=0,this.iaddn(e),this.negative=1,this;if(this.words[0]-=e,1===this.length&&this.words[0]<0)this.words[0]=-this.words[0],this.negative=1;else for(var t=0;t<this.length&&this.words[t]<0;t++)this.words[t]+=67108864,--this.words[t+1];return this.strip()},m.prototype.addn=function(e){return this.clone().iaddn(e)},m.prototype.subn=function(e){return this.clone().isubn(e)},m.prototype.iabs=function(){return this.negative=0,this},m.prototype.abs=function(){return this.clone().iabs()},m.prototype._ishlnsubmul=function(e,t,i){var r,f=e.length+i;this._expand(f);for(var n=0,d=0;d<e.length;d++){r=(0|this.words[d+i])+n;var a=(0|e.words[d])*t,n=((r-=67108863&a)>>26)-(a/67108864|0);this.words[d+i]=67108863&r}for(;d<this.length-i;d++)n=(r=(0|this.words[d+i])+n)>>26,this.words[d+i]=67108863&r;if(0===n)return this.strip();for(p(-1===n),d=n=0;d<this.length;d++)n=(r=-(0|this.words[d])+n)>>26,this.words[d]=67108863&r;return this.negative=1,this.strip()},m.prototype._wordDiv=function(e,t){var i=this.length-e.length,r=this.clone(),f=e,n=0|f.words[f.length-1];0!=(i=26-this._countBits(n))&&(f=f.ushln(i),r.iushln(i),n=0|f.words[f.length-1]);var d,a=r.length-f.length;if("mod"!==t){(d=new m(null)).length=1+a,d.words=new Array(d.length);for(var s=0;s<d.length;s++)d.words[s]=0}e=r.clone()._ishlnsubmul(f,1,a);0===e.negative&&(r=e,d&&(d.words[a]=1));for(var c=a-1;0<=c;c--){var h=67108864*(0|r.words[f.length+c])+(0|r.words[f.length+c-1]),h=Math.min(h/n|0,67108863);for(r._ishlnsubmul(f,h,c);0!==r.negative;)h--,r.negative=0,r._ishlnsubmul(f,1,c),r.isZero()||(r.negative^=1);d&&(d.words[c]=h)}return d&&d.strip(),r.strip(),"div"!==t&&0!=i&&r.iushrn(i),{div:d||null,mod:r}},m.prototype.divmod=function(e,t,i){return p(!e.isZero()),this.isZero()?{div:new m(0),mod:new m(0)}:0!==this.negative&&0===e.negative?(n=this.neg().divmod(e,t),"mod"!==t&&(r=n.div.neg()),"div"!==t&&(f=n.mod.neg(),i&&0!==f.negative&&f.iadd(e)),{div:r,mod:f}):0===this.negative&&0!==e.negative?(n=this.divmod(e.neg(),t),{div:r="mod"!==t?n.div.neg():r,mod:n.mod}):0!=(this.negative&e.negative)?(n=this.neg().divmod(e.neg(),t),"div"!==t&&(f=n.mod.neg(),i&&0!==f.negative&&f.isub(e)),{div:n.div,mod:f}):e.length>this.length||this.cmp(e)<0?{div:new m(0),mod:this}:1===e.length?"div"===t?{div:this.divn(e.words[0]),mod:null}:"mod"===t?{div:null,mod:new m(this.modn(e.words[0]))}:{div:this.divn(e.words[0]),mod:new m(this.modn(e.words[0]))}:this._wordDiv(e,t);var r,f,n},m.prototype.div=function(e){return this.divmod(e,"div",!1).div},m.prototype.mod=function(e){return this.divmod(e,"mod",!1).mod},m.prototype.umod=function(e){return this.divmod(e,"mod",!0).mod},m.prototype.divRound=function(e){var t=this.divmod(e);if(t.mod.isZero())return t.div;var i=0!==t.div.negative?t.mod.isub(e):t.mod,r=e.ushrn(1),e=e.andln(1),r=i.cmp(r);return r<0||1===e&&0===r?t.div:0!==t.div.negative?t.div.isubn(1):t.div.iaddn(1)},m.prototype.modn=function(e){p(e<=67108863);for(var t=(1<<26)%e,i=0,r=this.length-1;0<=r;r--)i=(t*i+(0|this.words[r]))%e;return i},m.prototype.idivn=function(e){p(e<=67108863);for(var t=0,i=this.length-1;0<=i;i--){var r=(0|this.words[i])+67108864*t;this.words[i]=r/e|0,t=r%e}return this.strip()},m.prototype.divn=function(e){return this.clone().idivn(e)},m.prototype.egcd=function(e){p(0===e.negative),p(!e.isZero());for(var t=this,i=e.clone(),t=0!==t.negative?t.umod(e):t.clone(),r=new m(1),f=new m(0),n=new m(0),d=new m(1),a=0;t.isEven()&&i.isEven();)t.iushrn(1),i.iushrn(1),++a;for(var s=i.clone(),c=t.clone();!t.isZero();){for(var h=0,o=1;0==(t.words[0]&o)&&h<26;++h,o<<=1);if(0<h)for(t.iushrn(h);0<h--;)(r.isOdd()||f.isOdd())&&(r.iadd(s),f.isub(c)),r.iushrn(1),f.iushrn(1);for(var u=0,b=1;0==(i.words[0]&b)&&u<26;++u,b<<=1);if(0<u)for(i.iushrn(u);0<u--;)(n.isOdd()||d.isOdd())&&(n.iadd(s),d.isub(c)),n.iushrn(1),d.iushrn(1);0<=t.cmp(i)?(t.isub(i),r.isub(n),f.isub(d)):(i.isub(t),n.isub(r),d.isub(f))}return{a:n,b:d,gcd:i.iushln(a)}},m.prototype._invmp=function(e){p(0===e.negative),p(!e.isZero());for(var t,i=this,r=e.clone(),i=0!==i.negative?i.umod(e):i.clone(),f=new m(1),n=new m(0),d=r.clone();0<i.cmpn(1)&&0<r.cmpn(1);){for(var a=0,s=1;0==(i.words[0]&s)&&a<26;++a,s<<=1);if(0<a)for(i.iushrn(a);0<a--;)f.isOdd()&&f.iadd(d),f.iushrn(1);for(var c=0,h=1;0==(r.words[0]&h)&&c<26;++c,h<<=1);if(0<c)for(r.iushrn(c);0<c--;)n.isOdd()&&n.iadd(d),n.iushrn(1);0<=i.cmp(r)?(i.isub(r),f.isub(n)):(r.isub(i),n.isub(f))}return(t=0===i.cmpn(1)?f:n).cmpn(0)<0&&t.iadd(e),t},m.prototype.gcd=function(e){if(this.isZero())return e.abs();if(e.isZero())return this.abs();var t=this.clone(),i=e.clone();t.negative=0;for(var r=i.negative=0;t.isEven()&&i.isEven();r++)t.iushrn(1),i.iushrn(1);for(;;){for(;t.isEven();)t.iushrn(1);for(;i.isEven();)i.iushrn(1);var f=t.cmp(i);if(f<0)var n=t,t=i,i=n;else if(0===f||0===i.cmpn(1))break;t.isub(i)}return i.iushln(r)},m.prototype.invm=function(e){return this.egcd(e).a.umod(e)},m.prototype.isEven=function(){return 0==(1&this.words[0])},m.prototype.isOdd=function(){return 1==(1&this.words[0])},m.prototype.andln=function(e){return this.words[0]&e},m.prototype.bincn=function(e){p("number"==typeof e);var t=e%26,e=(e-t)/26,t=1<<t;if(this.length<=e)return this._expand(1+e),this.words[e]|=t,this;for(var i=t,r=e;0!==i&&r<this.length;r++){var f=0|this.words[r],i=(f+=i)>>>26;f&=67108863,this.words[r]=f}return 0!==i&&(this.words[r]=i,this.length++),this},m.prototype.isZero=function(){return 1===this.length&&0===this.words[0]},m.prototype.cmpn=function(e){var t=e<0;return 0===this.negative||t?0===this.negative&&t?1:(this.strip(),e=1<this.length?1:(p((e=t?-e:e)<=67108863,"Number is too big"),(t=0|this.words[0])===e?0:t<e?-1:1),0!==this.negative?0|-e:e):-1},m.prototype.cmp=function(e){if(0!==this.negative&&0===e.negative)return-1;if(0===this.negative&&0!==e.negative)return 1;e=this.ucmp(e);return 0!==this.negative?0|-e:e},m.prototype.ucmp=function(e){if(this.length>e.length)return 1;if(this.length<e.length)return-1;for(var t=0,i=this.length-1;0<=i;i--){var r=0|this.words[i],f=0|e.words[i];if(r!=f){r<f?t=-1:f<r&&(t=1);break}}return t},m.prototype.gtn=function(e){return 1===this.cmpn(e)},m.prototype.gt=function(e){return 1===this.cmp(e)},m.prototype.gten=function(e){return 0<=this.cmpn(e)},m.prototype.gte=function(e){return 0<=this.cmp(e)},m.prototype.ltn=function(e){return-1===this.cmpn(e)},m.prototype.lt=function(e){return-1===this.cmp(e)},m.prototype.lten=function(e){return this.cmpn(e)<=0},m.prototype.lte=function(e){return this.cmp(e)<=0},m.prototype.eqn=function(e){return 0===this.cmpn(e)},m.prototype.eq=function(e){return 0===this.cmp(e)},m.red=function(e){return new w(e)},m.prototype.toRed=function(e){return p(!this.red,"Already a number in reduction context"),p(0===this.negative,"red works only with positives"),e.convertTo(this)._forceRed(e)},m.prototype.fromRed=function(){return p(this.red,"fromRed works only with numbers in reduction context"),this.red.convertFrom(this)},m.prototype._forceRed=function(e){return this.red=e,this},m.prototype.forceRed=function(e){return p(!this.red,"Already a number in reduction context"),this._forceRed(e)},m.prototype.redAdd=function(e){return p(this.red,"redAdd works only with red numbers"),this.red.add(this,e)},m.prototype.redIAdd=function(e){return p(this.red,"redIAdd works only with red numbers"),this.red.iadd(this,e)},m.prototype.redSub=function(e){return p(this.red,"redSub works only with red numbers"),this.red.sub(this,e)},m.prototype.redISub=function(e){return p(this.red,"redISub works only with red numbers"),this.red.isub(this,e)},m.prototype.redShl=function(e){return p(this.red,"redShl works only with red numbers"),this.red.shl(this,e)},m.prototype.redMul=function(e){return p(this.red,"redMul works only with red numbers"),this.red._verify2(this,e),this.red.mul(this,e)},m.prototype.redIMul=function(e){return p(this.red,"redMul works only with red numbers"),this.red._verify2(this,e),this.red.imul(this,e)},m.prototype.redSqr=function(){return p(this.red,"redSqr works only with red numbers"),this.red._verify1(this),this.red.sqr(this)},m.prototype.redISqr=function(){return p(this.red,"redISqr works only with red 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Minimum is: "+this.minEntropy+" bits"),this._init(t,i,e)}(t.exports=d).prototype._init=function(e,t,i){i=e.concat(t).concat(i);this.K=new Array(this.outLen/8),this.V=new Array(this.outLen/8);for(var r=0;r<this.V.length;r++)this.K[r]=0,this.V[r]=1;this._update(i),this._reseed=1,this.reseedInterval=281474976710656},d.prototype._hmac=function(){return new r.hmac(this.hash,this.K)},d.prototype._update=function(e){var t=this._hmac().update(this.V).update([0]);e&&(t=t.update(e)),this.K=t.digest(),this.V=this._hmac().update(this.V).digest(),e&&(this.K=this._hmac().update(this.V).update([1]).update(e).digest(),this.V=this._hmac().update(this.V).digest())},d.prototype.reseed=function(e,t,i,r){"string"!=typeof t&&(r=i,i=t,t=null),e=n.toArray(e,t),i=n.toArray(i,r),f(e.length>=this.minEntropy/8,"Not enough entropy. Minimum is: "+this.minEntropy+" bits"),this._update(e.concat(i||[])),this._reseed=1},d.prototype.generate=function(e,t,i,r){if(this._reseed>this.reseedInterval)throw new Error("Reseed is required");"string"!=typeof t&&(r=i,i=t,t=null),i&&(i=n.toArray(i,r||"hex"),this._update(i));for(var f=[];f.length<e;)this.V=this._hmac().update(this.V).digest(),f=f.concat(this.V);r=f.slice(0,e);return this._update(i),this._reseed++,n.encode(r,t)}},{"hash.js":19,"minimalistic-assert":33,"minimalistic-crypto-utils":34}],32:[function(e,t,i){"function"==typeof Object.create?t.exports=function(e,t){t&&(e.super_=t,e.prototype=Object.create(t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}))}:t.exports=function(e,t){var i;t&&(e.super_=t,(i=function(){}).prototype=t.prototype,e.prototype=new i,e.prototype.constructor=e)}},{}],33:[function(e,t,i){function r(e,t){if(!e)throw new Error(t||"Assertion failed")}(t.exports=r).equal=function(e,t,i){if(e!=t)throw new Error(i||"Assertion failed: "+e+" != "+t)}},{}],34:[function(e,t,i){"use strict";function r(e){return 1===e.length?"0"+e:e}function f(e){for(var t="",i=0;i<e.length;i++)t+=r(e[i].toString(16));return t}i.toArray=function(e,t){if(Array.isArray(e))return e.slice();if(!e)return[];var i=[];if("string"!=typeof e){for(var r=0;r<e.length;r++)i[r]=0|e[r];return i}if("hex"===t){(e=e.replace(/[^a-z0-9]+/gi,"")).length%2!=0&&(e="0"+e);for(r=0;r<e.length;r+=2)i.push(parseInt(e[r]+e[r+1],16))}else for(r=0;r<e.length;r++){var f=e.charCodeAt(r),n=f>>8,f=255&f;n?i.push(n,f):i.push(f)}return i},i.zero2=r,i.toHex=f,i.encode=function(e,t){return"hex"===t?f(e):e}},{}],35:[function(e,t,i){t.exports={name:"elliptic",version:"6.6.1",description:"EC cryptography",main:"lib/elliptic.js",files:["lib"],scripts:{lint:"eslint lib test","lint:fix":"npm run lint -- --fix",unit:"istanbul test _mocha --reporter=spec test/index.js",test:"npm run lint && npm run unit",version:"grunt dist && git add dist/"},repository:{type:"git",url:"git@github.com:indutny/elliptic"},keywords:["EC","Elliptic","curve","Cryptography"],author:"Fedor Indutny <fedor@indutny.com>",license:"MIT",bugs:{url:"https://github.com/indutny/elliptic/issues"},homepage:"https://github.com/indutny/elliptic",devDependencies:{brfs:"^2.0.2",coveralls:"^3.1.0",eslint:"^7.6.0",grunt:"^1.2.1","grunt-browserify":"^5.3.0","grunt-cli":"^1.3.2","grunt-contrib-connect":"^3.0.0","grunt-contrib-copy":"^1.0.0","grunt-contrib-uglify":"^5.0.0","grunt-mocha-istanbul":"^5.0.2","grunt-saucelabs":"^9.0.1",istanbul:"^0.4.5",mocha:"^8.0.1"},dependencies:{"bn.js":"^4.11.9",brorand:"^1.1.0","hash.js":"^1.0.0","hmac-drbg":"^1.0.1",inherits:"^2.0.4","minimalistic-assert":"^1.0.1","minimalistic-crypto-utils":"^1.0.1"}}},{}]},{},[1])(1)});
\ No newline at end of file
diff --git a/templates/index.html b/templates/index.html
new file mode 100644
index 0000000..d47f5b2
--- /dev/null
+++ b/templates/index.html
@@ -0,0 +1,548 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Pilot Chain | Dashboard</title>
+    
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
+    
+    <style>
+        :root {
+            --bg-body: #0f172a;       
+            --bg-sidebar: #1e293b;    
+            --bg-card: #334155;       
+            --text-main: #f8fafc;     
+            --text-muted: #cbd5e1;
+            --accent: #8b5cf6;        
+            --accent-hover: #7c3aed;
+            --border: #475569;
+            --input-bg: #1e293b;
+        }
+
+        body {
+            background-color: var(--bg-body);
+            color: var(--text-main);
+            font-family: 'Inter', system-ui, -apple-system, sans-serif;
+            overflow-x: hidden;
+        }
+
+        /* Visibility Fixes */
+        .text-muted { color: var(--text-muted) !important; }
+        .form-label { color: #e2e8f0; font-weight: 500; }
+        .form-control, .form-select {
+            background-color: var(--input-bg) !important;
+            border: 1px solid var(--border);
+            color: #ffffff !important;
+            padding: 12px 15px;
+        }
+        .form-control::placeholder { color: #94a3b8 !important; opacity: 1; }
+        .form-control:read-only { background-color: #0f172a !important; color: #94a3b8 !important; cursor: not-allowed; }
+
+        /* Sidebar & Layout */
+        .wrapper { display: flex; min-height: 100vh; }
+        .sidebar {
+            width: 260px;
+            background-color: var(--bg-sidebar);
+            border-right: 1px solid var(--border);
+            display: flex;
+            flex-direction: column;
+            padding: 20px;
+            position: fixed;
+            height: 100%;
+            z-index: 100;
+        }
+        .main-content { flex: 1; margin-left: 260px; padding: 30px; }
+        
+        .nav-link {
+            color: var(--text-muted);
+            padding: 12px 15px;
+            border-radius: 8px;
+            margin-bottom: 5px;
+            cursor: pointer;
+            transition: all 0.2s;
+            display: flex;
+            align-items: center;
+            gap: 10px;
+        }
+        .nav-link:hover { background-color: rgba(255,255,255,0.05); color: white; }
+        .nav-link.active { background-color: var(--accent); color: white; }
+        .nav-link i { width: 20px; text-align: center; }
+
+        .content-section { display: none; animation: fadeIn 0.3s ease; }
+        .content-section.active { display: block; }
+        .card {
+            background-color: var(--bg-sidebar);
+            border: 1px solid var(--border);
+            border-radius: 12px;
+            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
+            margin-bottom: 20px;
+        }
+        .card-header { background-color: rgba(0,0,0,0.2); border-bottom: 1px solid var(--border); padding: 15px 20px; font-weight: 600; color: white; }
+        .btn-primary { background-color: var(--accent); border: none; padding: 10px 20px; color: white; }
+        .btn-primary:hover { background-color: var(--accent-hover); }
+        .hash-box {
+            font-family: 'Courier New', monospace;
+            background: rgba(0,0,0,0.3);
+            padding: 15px;
+            border-radius: 6px;
+            word-break: break-all;
+            font-size: 0.9rem;
+            color: #fbbf24;
+            border: 1px dashed var(--border);
+        }
+        @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
+    </style>
+</head>
+<body>
+
+<div class="wrapper">
+    <nav class="sidebar">
+        <div class="d-flex align-items-center mb-4 px-2">
+            <i class="fa-solid fa-cube fa-2x text-accent me-3"></i>
+            <div>
+                <h5 class="m-0 fw-bold text-white">Pilot Chain</h5>
+                <small class="text-muted" style="font-size: 0.75rem;">Node ID: <span id="nav-node-id">Connecting...</span></small>
+            </div>
+        </div>
+        
+        <div class="nav flex-column">
+            <div class="nav-link active" onclick="showSection('dashboard')">
+                <i class="fa-solid fa-chart-line"></i> Dashboard
+            </div>
+            <div class="nav-link" onclick="showSection('wallet')">
+                <i class="fa-solid fa-wallet"></i> My Wallet
+            </div>
+            <div class="nav-link" onclick="showSection('transact')">
+                <i class="fa-solid fa-paper-plane"></i> Send Coins
+            </div>
+            <div class="nav-link" onclick="showSection('mining')">
+                <i class="fa-solid fa-hammer"></i> Mining Station
+            </div>
+            <div class="nav-link" onclick="showSection('explorer')">
+                <i class="fa-solid fa-list"></i> Chain Explorer
+            </div>
+        </div>
+
+        <div class="mt-auto px-2">
+            <div class="card bg-dark border-secondary p-3">
+                <small class="text-muted d-block mb-1">Network Status</small>
+                <div class="d-flex align-items-center">
+                    <div id="status-dot" style="width: 10px; height: 10px; background-color: #dc2626; border-radius: 50%; margin-right: 8px;"></div>
+                    <span id="network-status" class="text-white">Offline</span>
+                </div>
+            </div>
+        </div>
+    </nav>
+
+    <main class="main-content">
+        <div id="dashboard" class="content-section active">
+            <h2 class="mb-4 text-white">Network Overview</h2>
+            <div class="row g-4">
+                <div class="col-md-4">
+                    <div class="card p-4">
+                        <div class="d-flex justify-content-between">
+                            <div>
+                                <h6 class="text-muted text-uppercase mb-2">Blocks Mined</h6>
+                                <h2 class="fw-bold mb-0 text-white" id="dash-chain-length">0</h2>
+                            </div>
+                            <i class="fa-solid fa-cubes fa-2x text-accent opacity-50"></i>
+                        </div>
+                    </div>
+                </div>
+                <div class="col-md-4">
+                    <div class="card p-4">
+                        <div class="d-flex justify-content-between">
+                            <div>
+                                <h6 class="text-muted text-uppercase mb-2">Pending Txs</h6>
+                                <h2 class="fw-bold mb-0 text-white" id="dash-pool-size">0</h2>
+                            </div>
+                            <i class="fa-solid fa-clock fa-2x text-warning opacity-50"></i>
+                        </div>
+                    </div>
+                </div>
+                <div class="col-md-4">
+                    <div class="card p-4">
+                        <div class="d-flex justify-content-between">
+                            <div>
+                                <h6 class="text-muted text-uppercase mb-2">Node Balance</h6>
+                                <h2 class="fw-bold mb-0 text-white" id="dash-balance">0.00</h2>
+                            </div>
+                            <i class="fa-solid fa-coins fa-2x text-success opacity-50"></i>
+                        </div>
+                    </div>
+                </div>
+            </div>
+            <div class="card mt-4">
+                <div class="card-header d-flex justify-content-between align-items-center">
+                    <span><i class="fa-solid fa-rss me-2"></i>Recent Activity</span>
+                    <button onclick="refreshData()" class="btn btn-sm btn-outline-light"><i class="fa-solid fa-sync"></i></button>
+                </div>
+                <div class="card-body">
+                    <div id="recent-activity-list" class="text-muted text-center py-3">No recent transactions found.</div>
+                </div>
+            </div>
+        </div>
+
+        <div id="wallet" class="content-section">
+            <h2 class="mb-4 text-white">My Wallet</h2>
+            <div class="alert alert-info border-0 mb-4" style="background: rgba(56, 189, 248, 0.1); color: #7dd3fc;">
+                <i class="fa-solid fa-info-circle me-2"></i>
+                <strong>Note:</strong> Keys are generated locally in your browser.
+            </div>
+            <div class="row g-4">
+                <div class="col-lg-6">
+                    <div class="card h-100">
+                        <div class="card-header">Create Identity</div>
+                        <div class="card-body">
+                            <button onclick="generateKeys()" class="btn btn-primary w-100 mb-4 py-3 fw-bold">
+                                <i class="fa-solid fa-magic me-2"></i> Generate New Key Pair
+                            </button>
+                            <hr class="border-secondary my-4">
+                            <label class="form-label">Already have a key?</label>
+                            <div class="input-group">
+                                <input type="text" id="import-key-input" class="form-control" placeholder="Paste Private Key Hex...">
+                                <button onclick="importKey()" class="btn btn-outline-light">Import</button>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+                <div class="col-lg-6">
+                    <div class="card h-100">
+                        <div class="card-header">Your Active Keys</div>
+                        <div class="card-body">
+                            <label class="form-label text-accent fw-bold small text-uppercase">Public Address</label>
+                            <div class="hash-box mb-4" id="wallet-address">Not Generated Yet</div>
+                            <label class="form-label text-danger fw-bold small text-uppercase">Private Key</label>
+                            <div class="hash-box mb-4 text-white" id="wallet-privkey">Not Generated Yet</div>
+                            <div class="mt-auto text-center pt-3 border-top border-secondary">
+                                <h5 class="text-muted">Wallet Balance</h5>
+                                <h2 id="wallet-specific-balance" class="text-white">0.00</h2>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+
+        <div id="transact" class="content-section">
+            <h2 class="mb-4 text-white">Send Coins</h2>
+            <div class="row justify-content-center">
+                <div class="col-lg-8">
+                    <div class="card">
+                        <div class="card-body p-4">
+                            <div class="mb-4">
+                                <label class="form-label text-accent fw-bold">From (My Address)</label>
+                                <input type="text" id="tx-sender" class="form-control" readonly placeholder="Go to Wallet tab first">
+                            </div>
+                            <div class="mb-4">
+                                <label class="form-label">To (Recipient Address)</label>
+                                <input type="text" id="tx-recipient" class="form-control" placeholder="e.g. 0xabc123...">
+                            </div>
+                            <div class="mb-4">
+                                <label class="form-label">Amount</label>
+                                <input type="number" id="tx-amount" class="form-control" placeholder="0.00">
+                            </div>
+                            <button onclick="sendTransaction()" id="btn-send" class="btn btn-primary w-100 py-3 fw-bold">
+                                <i class="fa-solid fa-paper-plane me-2"></i> Sign & Send Transaction
+                            </button>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+
+        <div id="mining" class="content-section">
+            <h2 class="mb-4 text-white">Mining Station</h2>
+            <div class="row">
+                <div class="col-lg-8">
+                    <div class="card mb-4">
+                        <div class="card-body text-center py-5">
+                            <i class="fa-solid fa-hammer fa-3x text-accent mb-4"></i>
+                            <h3 class="text-white">Proof of Work</h3>
+                            <button onclick="mineBlock()" id="btn-mine" class="btn btn-primary btn-lg px-5 rounded-pill mt-3">
+                                <i class="fa-solid fa-play me-2"></i> Start Mining
+                            </button>
+                        </div>
+                    </div>
+                    <div class="card">
+                        <div class="card-header">Mining Console</div>
+                        <div class="card-body" style="height: 200px; overflow-y: auto; background: #000;">
+                            <ul id="mining-log" class="list-unstyled font-monospace small mb-0" style="color: #00ff00;">
+                                <li>> System ready...</li>
+                            </ul>
+                        </div>
+                    </div>
+                </div>
+                <div class="col-lg-4">
+                    <div class="card bg-success bg-opacity-10 border-success">
+                        <div class="card-body text-center py-5">
+                            <h5 class="card-title text-success mb-3">Mining Reward</h5>
+                            <h1 class="text-success fw-bold display-4">1.00</h1>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+
+        <div id="explorer" class="content-section">
+            <h2 class="mb-4 text-white">Chain Explorer</h2>
+            <div class="card">
+                <div class="card-body p-0">
+                    <div class="table-responsive">
+                        <table class="table table-dark table-hover mb-0 align-middle">
+                            <thead class="bg-dark text-muted">
+                                <tr>
+                                    <th class="p-3">Block #</th>
+                                    <th class="p-3">Timestamp</th>
+                                    <th class="p-3">Previous Hash</th>
+                                    <th class="p-3">Tx Count</th>
+                                    <th class="p-3">Proof</th>
+                                </tr>
+                            </thead>
+                            <tbody id="chain-table-body"></tbody>
+                        </table>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </main>
+</div>
+
+<div class="position-fixed bottom-0 end-0 p-3" style="z-index: 1050">
+    <div id="liveToast" class="toast align-items-center text-white bg-primary border-0" role="alert" aria-live="assertive" aria-atomic="true">
+        <div class="d-flex">
+            <div class="toast-body" id="toast-message">Notification</div>
+            <button type="button" class="btn-close btn-close-white me-2 m-auto" data-bs-dismiss="toast" aria-label="Close"></button>
+        </div>
+    </div>
+</div>
+
+<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
+<script src="https://unpkg.com/axios/dist/axios.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/js-sha256/0.9.0/sha256.min.js"></script>
+<script src="https://unpkg.com/elliptic@6.5.4/dist/elliptic.min.js"></script>
+<script src="elliptic.js"></script> 
+
+<script>
+    const API_BASE = window.location.protocol === 'file:' ? 'http://127.0.0.1:5000' : '';
+    let ec = null;
+
+    window.addEventListener('load', () => {
+        try {
+            if (typeof elliptic === 'undefined') throw new Error("Elliptic Library not loaded");
+            ec = new elliptic.ec('secp256k1');
+        } catch (e) {
+            console.error(e);
+            document.getElementById('network-status').innerText = "Lib Error";
+        }
+        refreshData();
+        setInterval(refreshData, 5000); 
+    });
+
+    let myKeys = { priv: null, pub: null, address: null };
+
+    function showSection(sectionId) {
+        document.querySelectorAll('.content-section').forEach(el => el.classList.remove('active'));
+        document.querySelectorAll('.nav-link').forEach(el => el.classList.remove('active'));
+        document.getElementById(sectionId).classList.add('active');
+        
+        const map = {'dashboard':0, 'wallet':1, 'transact':2, 'mining':3, 'explorer':4};
+        document.querySelectorAll('.nav-link')[map[sectionId]].classList.add('active');
+    }
+
+    function generateKeys() {
+        if(!ec) { showToast("Library Error", true); return; }
+        try {
+            const key = ec.genKeyPair();
+            const priv = key.getPrivate('hex');
+            saveKeys(priv);
+            showToast("New Keys Generated!");
+        } catch(e) {
+            console.error(e);
+            showToast("Error generating keys", true);
+        }
+    }
+
+    function importKey() {
+        const input = document.getElementById('import-key-input').value.trim();
+        if(input) {
+            try {
+                saveKeys(input);
+                showToast("Key Imported");
+            } catch(e) {
+                showToast("Invalid Key", true);
+            }
+        }
+    }
+
+    function saveKeys(privKeyHex) {
+        const key = ec.keyFromPrivate(privKeyHex);
+        const pub = key.getPublic('hex');
+        const hashHex = sha256(pub); 
+        const address = '0x' + hashHex.substring(0, 40);
+
+        myKeys = { priv: privKeyHex, pub: pub, address: address };
+
+        document.getElementById('wallet-address').innerText = address;
+        document.getElementById('wallet-privkey').innerText = privKeyHex;
+        document.getElementById('tx-sender').value = address;
+        
+        checkWalletBalance(address);
+    }
+
+    async function refreshData() {
+        try {
+            const chainRes = await axios.get(API_BASE + '/chain');
+            const chain = chainRes.data.chain;
+            
+            let pool = [];
+            try { pool = (await axios.get(API_BASE + '/transactions')).data; } catch(e) {}
+            const walletRes = await axios.get(API_BASE + '/wallet');
+            
+            document.getElementById('dash-chain-length').innerText = chain.length;
+            document.getElementById('dash-pool-size').innerText = pool.length || 0;
+            document.getElementById('dash-balance').innerText = walletRes.data.balance;
+            document.getElementById('nav-node-id').innerText = walletRes.data.node_id.substring(0,8) + '...';
+            
+            const statusText = document.getElementById('network-status');
+            statusText.innerText = "Online";
+            statusText.className = "text-success fw-bold";
+            document.getElementById('status-dot').style.backgroundColor = "#22c55e"; 
+
+            const tbody = document.getElementById('chain-table-body');
+            tbody.innerHTML = '';
+            chain.slice().reverse().forEach(block => {
+                const date = new Date(block.timestamp * 1000).toLocaleString();
+                const row = `<tr>
+                    <td class="text-accent fw-bold">#${block.index}</td>
+                    <td class="text-muted small">${date}</td>
+                    <td><div class="hash-box py-1 px-2 border-0 bg-transparent" style="font-size:0.75rem; width: 120px; overflow:hidden; white-space:nowrap; text-overflow:ellipsis; color: #cbd5e1;">${block.previous_hash}</div></td>
+                    <td><span class="badge bg-secondary">${block.transactions.length} Tx</span></td>
+                    <td class="font-monospace text-muted small">${block.proof}</td>
+                </tr>`;
+                tbody.innerHTML += row;
+            });
+
+            const activityList = document.getElementById('recent-activity-list');
+            if(pool.length > 0) {
+                activityList.innerHTML = '';
+                pool.forEach(tx => {
+                    activityList.innerHTML += `<div class="d-flex justify-content-between border-bottom border-secondary py-2 px-3">
+                        <span class="text-truncate text-white" style="max-width: 120px;">${tx.sender}</span>
+                        <i class="fa-solid fa-arrow-right text-muted mx-2"></i>
+                        <span class="text-truncate text-white" style="max-width: 120px;">${tx.recipient}</span>
+                        <span class="badge bg-success ms-2">${tx.amount}</span>
+                    </div>`;
+                });
+            }
+
+            if(myKeys.address) checkWalletBalance(myKeys.address);
+
+        } catch (error) {
+            console.error(error);
+            const statusText = document.getElementById('network-status');
+            statusText.innerText = "Offline";
+            statusText.className = "text-danger fw-bold";
+            document.getElementById('status-dot').style.backgroundColor = "#dc2626";
+        }
+    }
+
+    async function mineBlock() {
+        const btn = document.getElementById('btn-mine');
+        const log = document.getElementById('mining-log');
+        
+        btn.disabled = true;
+        btn.innerHTML = '<i class="fa-solid fa-cog fa-spin me-2"></i> Mining...';
+        log.innerHTML += `<li>> Initializing Proof of Work...</li>`;
+        
+        try {
+            // FIX: Explicitly request this user's address for the reward
+            const myAddress = myKeys.address || "null"; 
+            const res = await axios.get(API_BASE + `/mine?address=${myAddress}`);
+            
+            setTimeout(() => {
+                showToast(`Block #${res.data.index} Mined!`);
+                
+                // --- FIX: Show SUCCESS message with HASH instead of Error ---
+                log.innerHTML += `<li class="text-success">> proof-of-work found</li>`;
+                // We construct a fake visual hash based on the proof for the "cool factor" user requested
+                // or use the real previous_hash if available
+                const displayHash = res.data.previous_hash || "00000000" + Math.random().toString(16).substr(2, 50);
+                log.innerHTML += `<li class="text-muted" style="word-break:break-all;">hash: ${displayHash}</li>`;
+                
+                if (myAddress !== "null") {
+                    log.innerHTML += `<li class="text-warning">> Reward (1.00) sent to Wallet.</li>`;
+                }
+                
+                btn.disabled = false;
+                btn.innerHTML = 'Start Mining';
+                log.scrollTop = log.scrollHeight;
+                refreshData();
+            }, 800);
+        } catch (error) {
+            // Only show error if it is ACTUALLY an error (status != 200)
+            log.innerHTML += `<li class="text-danger">> Error: Mining failed.</li>`;
+            btn.disabled = false;
+            btn.innerHTML = 'Start Mining';
+        }
+    }
+
+    async function sendTransaction() {
+        if(!myKeys.priv) { showToast("Generate keys first!", true); return; }
+        const recipient = document.getElementById('tx-recipient').value;
+        const amount = document.getElementById('tx-amount').value;
+        
+        try {
+            const payload = `${myKeys.pub}:${recipient}:${amount}`;
+            const msgHash = sha256(payload); 
+
+            const key = ec.keyFromPrivate(myKeys.priv);
+            const signature = key.sign(msgHash).toDER('hex');
+
+            const body = {
+                sender: myKeys.address,
+                recipient: recipient,
+                amount: parseInt(amount),
+                signature: signature
+            };
+
+            await axios.post(API_BASE + '/transactions/new', body);
+            showToast("Transaction Sent!");
+            document.getElementById('tx-recipient').value = '';
+            document.getElementById('tx-amount').value = '';
+            refreshData();
+        } catch (error) {
+            showToast("Transaction Failed", true);
+        }
+    }
+
+    async function checkWalletBalance(address) {
+        try {
+            const chain = (await axios.get(API_BASE + '/chain')).data.chain;
+            let balance = 0;
+            chain.forEach(block => {
+                block.transactions.forEach(tx => {
+                    if(tx.recipient === address) balance += tx.amount;
+                    if(tx.sender === address) balance -= tx.amount;
+                });
+            });
+            document.getElementById('wallet-specific-balance').innerText = balance.toFixed(2);
+        } catch(e) {}
+    }
+
+    function showToast(msg, isError = false) {
+        try {
+            const el = document.getElementById('liveToast');
+            const bsToast = new bootstrap.Toast(el); 
+            document.getElementById('toast-message').innerText = msg;
+            el.className = isError ? 'toast align-items-center text-white bg-danger border-0' : 'toast align-items-center text-white bg-primary border-0';
+            bsToast.show();
+        } catch(e) {
+            console.error("Toast error:", e);
+        }
+    }
+</script>
+</body>
+</html>
\ No newline at end of file