Docs
Bitcoin Improvement Proposals
The official repository of Bitcoin Improvement Proposals (BIPs) — the design documents describing new features, standards, and processes for Bitcoin. Covers BIP32 (HD wallets), BIP39 (mnemonics), BIP141 (SegWit), BIP341 (Taproot), BIP174 (PSBT), and hundreds more. Required reading for protocol-level Bitcoin development.