> ## Documentation Index
> Fetch the complete documentation index at: https://docs.chipforge.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Database Section

The system uses PostgreSQL with five main tables:

* **challenges**\
  Challenge metadata, lifecycle state, cryptographic nonces, validator requirements, and submission limits
* **miner\_submissions**\
  Submission metadata, file references, multi-bucket storage (miner/ validator/ archive), validation counts, and status tracking
* **validation\_records**\
  Individual validator evaluations, detailed score breakdown, evaluation notes, and validator-specific file paths
* **submission\_nonces**\
  Cryptographic nonce management with expiration tracking and rate limiting
* **validator\_api\_keys**\
  API key lifecycle, usage tracking, audit trails, and activation/revocation history
