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Implement cryptographically verifiable mint authorization log chain#263

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daree-dev wants to merge 1 commit into
kellymusk:masterfrom
daree-dev:feature/mint-authorization-audit-chain
Open

Implement cryptographically verifiable mint authorization log chain#263
daree-dev wants to merge 1 commit into
kellymusk:masterfrom
daree-dev:feature/mint-authorization-audit-chain

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@daree-dev daree-dev commented Mar 28, 2026

This PR adds a dedicated, cryptographically verifiable audit trail for cNGN mint authorizations.

Key features:

  • New append-only database table with hash chain verification
  • Mint action logging integrated into onramp processor and transaction monitor
  • Periodic chain integrity checks with critical security alerts
  • Immutable WORM-style storage enforced by database triggers

Changes include:

- Add new mint_authorization_logs table with append-only triggers
- Create MintAuthorizationService for hash-chain verified audit trail
- Integrate mint action logging into onramp processor and transaction monitor
- Add periodic chain verification with critical security alerts
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Mint Authorization Audit Trail & Tamper-Evident Logging

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