Lightning BOLTs Quick refs : bolt-summary.md, feature-bits.md The Lightning Network's specs live in . There are 11 numbered BOLTs plus several "BLIPs" (BOLT improvement proposals) for in-progress extensions. BOLT Index | BOLT | Title | |------|-------| | 1 | Base Protocol — wire format, init, ping, error | | 2 | Peer Protocol — channel open/close/update | | 3 | Bitcoin Transaction and Script Formats — funding, commitment, HTLC, anchor | | 4 | Onion Routing Protocol — Sphinx packet, payment forwarding | | 5 | Recommendations for On-chain Transaction Handling | | 7 | P2P Node and Channel Discov…