BIP Index (topic-organized)
Canonical: https://github.com/bitcoin/bips. Each BIP's status:
Draft → Proposed → Final / Active / Replaced /
Withdrawn.
Process
- BIP 1, 2 — BIP process itself.
HD wallets and key derivation
- BIP 32 — Hierarchical Deterministic Wallets.
- BIP 39 — Mnemonic seed phrase.
- BIP 43 — Purpose field convention.
- BIP 44 — Multi-account hierarchy (legacy P2PKH).
- BIP 49 — Derivation for P2SH-P2WPKH (
m/49'/0'/0'). - BIP 84 — Derivation for native P2WPKH (
m/84'/0'/0'). - BIP 86 — Derivation for P2TR (
m/86'/0'/0'). - BIP 85 — Deterministic entropy from BIP32 (sub-seeds).
Output and address formats
- BIP 13 — P2SH addresses (
3...). - BIP 16 — P2SH consensus rule.
- BIP 141, 143, 144, 145, 147 — SegWit family.
- BIP 173 — Bech32 (segwit v0).
- BIP 350 — Bech32m (segwit v1+).
- BIP 380–385 — Output descriptor language.
- BIP 389 — Multipath descriptors.
Taproot
- BIP 340 — Schnorr signatures.
- BIP 341 — Taproot output / key-path / script-path / merkle.
- BIP 342 — Tapscript validation rules.
PSBT
- BIP 174 — PSBT v0.
- BIP 370 — PSBT v2.
- BIP 371 — Taproot fields in PSBT.
Time locks and sequence
- BIP 65 —
OP_CHECKLOCKTIMEVERIFY. - BIP 68 — Relative locktime via nSequence.
- BIP 112 —
OP_CHECKSEQUENCEVERIFY. - BIP 113 — MTP for nLockTime.
Mempool / replacement
- BIP 125 — opt-in RBF.
- BIP 152 — Compact block relay.
- BIP 156 — Dandelion++.
- BIP 157 — Compact block filter client.
- BIP 158 — Compact block filter format.
- BIP 331 — Package relay.
- BIP 339 — wtxid relay.
- BIP 431 — TRUC (v3) transactions.
Network / P2P
- BIP 31 — pong message.
- BIP 35 — mempool message.
- BIP 37 — Connection bloom filtering (deprecated).
- BIP 130 — sendheaders.
- BIP 155 — addrv2 (Tor v3, I2P, CJDNS).
- BIP 324 — Version-2 P2P transport encryption.
- BIP 330 — Erlay (proposed).
Soft fork activation
- BIP 8 — versionbits with lockinontimeout.
- BIP 9 — versionbits.
- BIP 34 — Block v2 (height in coinbase).
- BIP 90 — Buried activation heights.
Wallet UX standards
- BIP 21 — URI scheme
bitcoin:address?amount=...&label=.... - BIP 47 — Reusable Payment Codes (PayNyms).
- BIP 78 — PayJoin.
- BIP 137 — Generic message signing.
- BIP 322 — Generic signed message format (modern).
- BIP 329 — Wallet labels portability.
- BIP 352 — Silent Payments.
Multi-party signatures
- BIP 327 — MuSig2 (Schnorr key aggregation).
Hardware wallets
- BIP 174 / 370 / 371 — PSBT (also covers HW signing).
- BIP 388 — Wallet policies for HWs (Ledger, etc.).
Proposals (not active on mainnet)
- BIP 119 —
OP_CHECKTEMPLATEVERIFY(CTV). - BIP 118 —
SIGHASH_ANYPREVOUT/ANYPREVOUTANYSCRIPT. - BIP 300/301 — Hashrate Escrows / Drivechains.
- BIP 345 —
OP_VAULT,OP_VAULT_RECOVER.
Reading order for newcomers
- BIP 32 → 39 → 84 → 174 (foundations of any wallet).
- BIP 141/143/144 (SegWit).
- BIP 340/341/342 (Taproot).
- BIP 380–385 (descriptors).
- BIP 327 (MuSig2) and BIP 322 (message signing).
Lookups
- Repo:
github.com/bitcoin/bips. - Master index file:
README.mediawikilists all BIPs with status. - Some BIPs are withdrawn or replaced; check status before citing.