README.md

**# BTC Node Tools

A lightweight collection of Bitcoin blockchain utilities written in C++.

Features

• Read block headers
• Display block hashes
• Verify SHA-256 values
• Educational blockchain examples
• Simple command-line interface

Build

mkdir build
cd build
cmake ..
make

Run

./btc-node-tools

Requirements

• C++17
• CMake
• Linux / macOS / Windows**