nostr-relay Features

• Stores data in SQLite or Postgresql – using sqlalchemy – or in lmdb. See storage
• Written in Python, using asyncio
• Scalable to thousands of concurrent clients
• Configurable "origin" blacklist
• Configurable garbage collector
• Configurable event validators
• Can serve as a NIP-05 identity provider
• Support for NIP-42 authentication
• Support for rate-limiting
• Support for the following NIPs:
  • NIP-01 – basic protocol
  • NIP-02 – contact lists
  • NIP-05 – verifying identity
  • NIP-09 – deletion events
  • NIP-11 – relay metadata
  • NIP-12 – generic tags
  • NIP-15 – EOSE
  • NIP-20 – command results
  • NIP-26 – delegated events
  • NIP-33 – parameterized replaceable events
  • NIP-40 – expiration events
  • NIP-42 – authentication
  • NIP-50 – full-text search