v0.1.0 — Initial Open Source Release

Medusa Ledger v0.1.0

Initial public release of Medusa Ledger, an open-source trust ledger for business events.

What's included

• Append-only SHA-256 ledger
• Canonical event hashing
• Block chaining and integrity verification
• MemoryStore and FileStore
• HTTP API
• JavaScript SDK
• CLI
• Docker support
• Protocol specification (SPEC.md)
• Spring Boot HTTP integration

Architecture

Medusa is designed as an evidence layer for business systems:

Business Application → Operational Database (State)
→ Medusa Ledger (Evidence)

Medusa does not replace your ERP or operational database.
It provides a verifiable record of the events that matter.

Documentation

• Open Source Landing / SPEC:
  https://wbsckt3.github.io/medusa-ledger/
• Developer Guide:
  https://wbsckt3.github.io/medusa-ledger/developers.html
• Manual:
  https://wbsckt3.github.io/medusa-ledger/manual.html

License

Apache-2.0

Support

If you find Medusa useful, consider supporting its open-source development through GitHub Sponsors:

https://github.com/sponsors/wbsckt3