# Implementation status

- 60/60 lesson folders include study materials and reference artifacts.
- M01–M03: 15 Java labs previously validated.
- M04–M09: 30 Solidity labs with tests, not runtime-validated (Foundry unavailable).
- M10–M12: 15 Java offline labs validated with JDK; M12 includes Solidity PaymentVault and infrastructure blueprint, not E2E validated.
- Full production-integrated Spring Boot + Web3j + PostgreSQL + Kafka + BSC Testnet deployment remains an extension, not a completed implementation.

See `M12_TEST_RESULTS.md` and per-module test notes.