People wishing to submit BIPs, first should propose their idea or document to the bitcoindev@googlegroups.com mailing list (do not assign a number - read BIP 2 for the full process). After discussion, please open a PR. After copy-editing and acceptance, it will be published here.
We are fairly liberal with approving BIPs, and try not to be too involved in decision making on behalf of the c E236 ommunity. The exception is in very rare cases of dispute resolution when a decision is contentious and cannot be agreed upon. In those cases, the conservative option will always be preferred.
Having a BIP here does not make it a formally accepted standard until its status becomes Final or Active.
Those proposing changes should consider that ultimately consent may rest with the consensus of the Bitcoin users (see also: economic majority).
| Number | Layer | Title | Owner | Type | Status |
|---|---|---|---|---|---|
| 1 | BIP Purpose and Guidelines | Amir Taaki | Process | Replaced | |
| 2 | BIP process, revised | Luke Dashjr | Process | Active | |
| 8 | Version bits with lock-in by height | Shaolin Fry, Luke Dashjr | Informational | Draft | |
| 9 | Version bits with timeout and delay | Pieter Wuille, Peter Todd, Greg Maxwell, Rusty Russell | Informational | Final | |
| 10 | Applications | Multi-Sig Transaction Distribution | Alan Reiner | Informational | Withdrawn |
| 11 | Applications | M-of-N Standard Transactions | Gavin Andresen | Standard | Final |
| 12 | Consensus (soft fork) | OP_EVAL | Gavin Andresen | Standard | Withdrawn |
| 13 | Applications | Address Format for pay-to-script-hash | Gavin Andresen | Standard | Final |
| 14 | Peer Services | Protocol Version and User Agent | Amir Taaki, Patrick Strateman | Standard | Final |
| 15 | Applications | Aliases | Amir Taaki | Standard | Deferred |
| 16 | Consensus (soft fork) | Pay to Script Hash | Gavin Andresen | Standard | Final |
| 17 | Consensus (soft fork) | OP_CHECKHASHVERIFY (CHV) | Luke Dashjr | Standard | Withdrawn |
| 18 | Consensus (soft fork) | hashScriptCheck | Luke Dashjr | Standard | Proposed |
| 19 | Applications | M-of-N Standard Transactions (Low SigOp) | Luke Dashjr | Standard | Rejected |
| 20 | Applications | URI Scheme | Luke Dashjr | Standard | Replaced |
| 21 | Applications | URI Scheme | Nils Schneider, Matt Corallo | Standard | Final |
| 22 | API/RPC | getblocktemplate - Fundamentals | Luke Dashjr | Standard | Final |
| 23 | API/RPC | getblocktemplate - Pooled Mining | Luke Dashjr | Standard | Final |
| 30 | Consensus (soft fork) | Duplicate transactions | Pieter Wuille | Standard | Final |
| 31 | Peer Services | Pong message | Mike Hearn | Standard | Final |
| 32 | Applications | Hierarchical Deterministic Wallets | Pieter Wuille | Informational | Final |
| 33 | Peer Services | Stratized Nodes | Amir Taaki | Standard | Rejected |
| 34 | Consensus (soft fork) | Block v2, Height in Coinbase | Gavin Andresen | Standard | Final |
| 35 | Peer Services | mempool message | Jeff Garzik | Standard | Final |
| 36 | Peer Services | Custom Services | Stefan Thomas | Standard | Rejected |
| 37 | Peer Services | Connection Bloom filtering | Mike Hearn, Matt Corallo | Standard | Final |
| 38 | Applications | Passphrase-protected private key | Mike Caldwell, Aaron Voisine | Standard | Draft |
| 39 | Applications | Mnemonic code for generating deterministic keys | Marek Palatinus, Pavol Rusnak, Aaron Voisine, Sean Bowe | Standard | Proposed |
| 40 | API/RPC | Stratum wire protocol | Marek Palatinus | Standard | BIP number allocated |
| 41 | API/RPC | Stratum mining protocol | Marek Palatinus | Standard | BIP number allocated |
| 42 | Consensus (soft fork) | A finite monetary supply for Bitcoin | Pieter Wuille | Standard | Final |
| 43 | Applications | Purpose Field for Deterministic Wallets | Marek Palatinus, Pavol Rusnak | Standard | Final |
| 44 | Applications | Multi-Account Hierarchy for Deterministic Wallets | Marek Palatinus, Pavol Rusnak | Standard | Final |
| 45 | Applications | Structure for Deterministic P2SH Multisignature Wallets | Manuel Araoz, Ryan X. Charles, Matias Alejo Garcia | Standard | Proposed |
| 47 | Applications | Reusable Payment Codes for Hierarchical Deterministic Wallets | Justus Ranvier | Informational | Final |
| 48 | Applications | Multi-Script Hierarchy for Multi-Sig Wallets | Fontaine | Standard | Proposed |
| 49 | Applications | Derivation scheme for P2WPKH-nested-in-P2SH based accounts | Daniel Weigl | Standard | Final |
| 50 | March 2013 Chain Fork Post-Mortem | Gavin Andresen | Informational | Final | |
| 52 | Consensus (hard fork) | Durable, Low Energy Bitcoin PoW | Michael Dubrovsky, Bogdan Penkovsky | Standard | Draft |
| 60 | Peer Services | Fixed Length "version" Message (Relay-Transactions Field) | Amir Taaki | Standard | Draft |
| 61 | Peer Services | Reject P2P message | Gavin Andresen | Standard | Final |
| 62 | Consensus (soft fork) | Dealing with malleability | Pieter Wuille | Standard | Withdrawn |
| 63 | Applications | Stealth Addresses | Peter Todd | Standard | BIP number allocated |
| 64 | Peer Services | getutxo message | Mike Hearn | Standard | Obsolete |
| 65 | Consensus (soft fork) | OP_CHECKLOCKTIMEVERIFY | Peter Todd | Standard | Final |
| 66 | Consensus (soft fork) | Strict DER signatures | Pieter Wuille | Standard | Final |
| 67 | Applications | Deterministic Pay-to-script-hash multi-signature addresses through public key sorting | Thomas Kerin, Jean-Pierre Rupp, Ruben de Vries | Standard | Proposed |
| 68 | Consensus (soft fork) | Relative lock-time using consensus-enforced sequence numbers | Mark Friedenbach, BtcDrak, Nicolas Dorier, kinoshitajona | Standard | Final |
| 69 | Applications | Lexicographical Indexing of Transaction Inputs and Outputs | Kristov Atlas | Informational | Proposed |
| 70 | Applications | Payment Protocol | Gavin Andresen, Mike Hearn | Standard | Final |
| 71 | Applications | Payment Protocol MIME types | Gavin Andresen | Standard | Final |
| 72 | Applications | bitcoin: uri extensions for Payment Protocol | Gavin Andresen | Standard | Final |
| 73 | Applications | Use "Accept" header for response type negotiation with Payment Request URLs | Stephen Pair | Standard | Final |
| 74 | Applications | Allow zero value OP_RETURN in Payment Protocol | Toby Padilla | Standard | Rejected |
| 75 | Applications | Out of Band Address Exchange using Payment Protocol Encryption | Justin Newton, Matt David, Aaron Voisine, James MacWhyte | Standard | Final |
| 78 | Applications | A Simple Payjoin Proposal | Nicolas Dorier | Standard | Draft |
| 79 | Applications | Bustapay :: a practical coinjoin protocol | Ryan Havar | Informational | Replaced |
| 80 | Hierarchy for Non-Colored Voting Pool Deterministic Multisig Wallets | Justus Ranvier, Jimmy Song | Informational | Deferred | |
| 81 | Hierarchy for Colored Voting Pool Deterministic Multisig Wallets | Justus Ranvier, Jimmy Song | Informational | Deferred | |
| 83 | Applications | Dynamic Hierarchical Deterministic Key Trees | Eric Lombrozo | Standard | Rejected |
| 84 | Applications | Derivation scheme for P2WPKH based accounts | Pavol Rusnak | Standard | Final |
| 85 | Applications | Deterministic Entropy From BIP32 Keychains | Ethan Kosakovsky | Informational | Draft |
| 86 | Applications | Key Derivation for Single Key P2TR Outputs | Ava Chow | Standard | Draft |
| 87 | Applications | Hierarchy for Deterministic Multisig Wallets | Robert Spigler | Standard | Proposed |
| 88 | Applications | Hierarchical Deterministic Path Templates | Dmitry Petukhov | Informational | Proposed |
| 90 | Buried Deployments | Suhas Daftuar | Informational | Final | |
| 91 | Consensus (soft fork) | Reduced threshold Segwit MASF | James Hilliard | Standard | Final |
| 93 | Applications | codex32: Checksummed SSSS-aware BIP32 seeds | Leon Olsson Curr, Pearlwort Sneed, Andrew Poelstra | Informational | Draft |
| 98 | Consensus (soft fork) | Fast Merkle Trees | Mark Friedenbach, Kalle Alm, BtcDrak | Standard | Draft |
| 99 | Motivation and deployment of consensus rule changes ([soft/hard]forks) | Jorge Timón | Informational | Rejected | |
| 100 | Consensus (hard fork) | Dynamic maximum block size by miner vote | Jeff Garzik, Tom Harding, Dagur Valberg Johannsson | Standard | Rejected |
| 101 | Consensus (hard fork) | Increase maximum block size | Gavin Andresen | Standard | Withdrawn |
| 102 | Consensus (hard fork) | Block size increase to 2MB | Jeff Garzik | Standard | Rejected |
| 103 | Consensus (hard fork) | Block size following technological growth | Pieter Wuille | Standard | Withdrawn |
| 104 | Consensus (hard fork) | 'Block75' - Max block size like difficulty | t.khan | Standard | Rejected |
| 105 | Consensus (hard fork) | Consensus based block size retargeting algorithm | BtcDrak | Standard | Rejected |
| 106 | Consensus (hard fork) | Dynamically Controlled Bitcoin Block Size Max Cap | Upal Chakraborty | Standard | Rejected |
| 107 | Consensus (hard fork) | Dynamic limit on the block size | Washington Y. Sanchez | Standard | Rejected |
| 109 | Consensus (hard fork) | Two million byte size limit with sigop and sighash limits | Gavin Andresen | Standard | Rejected |
| 111 | Peer Services | NODE_BLOOM service bit | Matt Corallo, Peter Todd | Standard | Proposed |
| 112 | Consensus (soft fork) | CHECKSEQUENCEVERIFY | BtcDrak, Mark Friedenbach, Eric Lombrozo | Standard | Final |
| 113 | Consensus (soft fork) | Median time-past as endpoint for lock-time calculations | Thomas Kerin, Mark Friedenbach | Standard | Final |
| 114 | Consensus (soft fork) | Merkelized Abstract Syntax Tree | Johnson Lau | Standard | Rejected |
| 115 | Consensus (soft fork) | Generic anti-replay protection using Script | Luke Dashjr | Standard | Rejected |
| 116 | Consensus (soft fork) | MERKLEBRANCHVERIFY | Mark Friedenbach, Kalle Alm, BtcDrak | Standard | Draft |
| 117 | Consensus (soft fork) | Tail Call Execution Semantics | Mark Friedenbach, Kalle Alm, BtcDrak | Standard | Draft |
| 118 | Consensus (soft fork) | SIGHASH_ANYPREVOUT for Taproot Scripts | Christian Decker, Anthony Towns | Standard | Draft |
| 119 | Consensus (soft fork) | CHECKTEMPLATEVERIFY | Jeremy Rubin, James O'Beirne | Standard | Draft |
| 120 | Applications | Proof of Payment | Kalle Rosenbaum | Standard | Withdrawn |
| 121 | Applications | Proof of Payment URI scheme | Kalle Rosenbaum | Standard | Withdrawn |
| 122 | Applications | URI scheme for Blockchain references / exploration | Marco Pontello | Standard | Draft |
| 123 | BIP Classification | Eric Lombrozo | Process | Active | |
| 124 | Applications | Hierarchical Deterministic Script Templates | Eric Lombrozo, William Swanson | Informational | Rejected |
| 125 | Applications | Opt-in Full Replace-by-Fee Signaling | David A. Harding, Peter Todd | Standard | Proposed |
| 126 | Best Practices for Heterogeneous Input Script Transactions | Kristov Atlas | Informational | Draft | |
| 127 | Applications | Simple Proof-of-Reserves Transactions | Steven Roose | Standard | Draft |
| 129 | Applications | Bitcoin Secure Multisig Setup (BSMS) | Hugo Nguyen, Peter Gray, Marko Bencun, Aaron Chen, Rodolfo Novak | Standard | Proposed |
| 130 | Peer Services | sendheaders message | Suhas Daftuar | Standard | Proposed |
| 131 | Consensus (hard fork) | "Coalescing Transaction" Specification (wildcard inputs) | Chris Priest | Standard | Rejected |
| 132 | Committee-based BIP Acceptance Process | Andy Chase | Process | Withdrawn | |
| 133 | Peer Services | feefilter message | Alex Morcos | Standard | Draft |
| 134 | Consensus (hard fork) | Flexible Transactions | Tom Zander | Standard | Rejected |
| 135 | Generalized version bits voting | Sancho Panza | Informational | Rejected | |
| 136 | Applications | Bech32 Encoded Tx Position References | Велеслав, Jonas Schnelli, Daniel Pape | Informational | Draft |
| 137 | Applications | Signatures of Messages using Private Keys | Christopher Gilliard | Standard | Final |
| 140 | Consensus (soft fork) | Normalized TXID | Christian Decker | Standard | Rejected |
| 141 | Consensus (soft fork) | Segregated Witness (Consensus layer) | Eric Lombrozo, Johnson Lau, Pieter Wuille | Standard | Final |
| 142 | Applications | Address Format for Segregated Witness | Johnson Lau | Standard | Withdrawn |
| 143 | Consensus (soft fork) | Transaction Signature Verification for Version 0 Witness Program | Johnson Lau, Pieter Wuille | Standard | Final |
| 144 | Peer Services | Segregated Witness (Peer Services) | Eric Lombrozo, Pieter Wuille | Standard | Final |
| 145 | API/RPC | getblocktemplate Updates for Segregated Witness | Luke Dashjr | Standard | Final |
| 146 | Consensus (soft fork) | Dealing with signature encoding malleability | Johnson Lau, Pieter Wuille | Standard | Withdrawn |
| 147 | Consensus (soft fork) | Dealing with dummy stack element malleability | Johnson Lau | Standard | Final |
| 148 | Consensus (soft fork) | Mandatory activation of segwit deployment | Shaolin Fry | Standard | Final |
| 149 | Consensus (soft fork) | Segregated Witness (second deployment) | Shaolin Fry | Standard | Withdrawn |
| 150 | Peer Services | Peer Authentication | Jonas Schnelli | Standard | Draft |
| 151 | Peer Services | Peer-to-Peer Communication Encryption | Jonas Schnelli | Standard | Replaced |
| 152 | Peer Services | Compact Block Relay | Matt Corallo | Standard | Final |
| 154 | Peer Services | Rate Limiting via peer specified challenges | Karl-Johan Alm | Standard | Withdrawn |
| 155 | Peer Services | addrv2 message | Wladimir J. van der Laan | Standard | Draft |
| 156 | Peer Services | Dandelion - Privacy Enhancing Routing | Brad Denby, Andrew Miller, Giulia Fanti, Surya Bakshi, Shaileshh Bojja Venkatakrishnan, Pramod Viswanath | Standard | Rejected |
| 157 | Peer Services | Client Side Block Filtering | Olaoluwa Osuntokun, Alex Akselrod, Jim Posen | Standard | Draft |
| 158 | Peer Services | Compact Block Filters for Light Clients | Olaoluwa Osuntokun, Alex Akselrod | Standard | Draft |
| 159 | Peer Services | NODE_NETWORK_LIMITED service bit | Jonas Schnelli | Standard | Draft |
| 171 | Applications | Currency/exchange rate information API | Luke Dashjr | Standard | Rejected |
| 173 | Applications | Base32 address format for native v0-16 witness outputs | Pieter Wuille, Greg Maxwell | Informational | Final |
| 174 | Applications | Partially Signed Bitcoin Transaction Format | Ava Chow | Standard | Final |
| 175 | Applications | Pay to Contract Protocol | Omar Shibli, Nicholas Gregory | Informational | Rejected |
| 176 | Bits Denomination | Jimmy Song | Informational | Draft | |
| 178 | Applications | Version Extended WIF | Karl-Johan Alm | Standard | Draft |
| 179 | Name for payment recipient identifiers | Emil Engler, Luke Dashjr | Informational | Draft | |
| 180 | Peer Services | Block size/weight fraud proof | Luke Dashjr | Standard | Rejected |
| 197 | Applications | Hashed Time-Locked Collateral Contract | Matthew Black, Tony Cai | Standard | Draft |
| 199 | Applications | Hashed Time-Locked Contract transactions | Sean Bowe, Daira Hopwood | Standard | Draft |
| 300 | Consensus (soft fork) | Hashrate Escrows (Consensus layer) | Paul Sztorc, CryptAxe | Standard | Draft |
| 301 | Consensus (soft fork) | Blind Merged Mining (Consensus layer) | Paul Sztorc, CryptAxe | Standard | Draft |
| 310 | Applications | Stratum protocol extensions | Pavel Moravec, Jan Čapek | Informational | Draft |
| 320 | nVersion bits for general purpose use | BtcDrak | Standard | Draft | |
| 322 | Applications | Generic Signed Message Format | Karl-Johan Alm | Standard | Draft |
| 324 | Peer Services | Version 2 P2P Encrypted Transport Protocol | Dhruv Mehta, Tim Ruffing, Jonas Schnelli, Pieter Wuille | Standard | Draft |
| 325 | Applications | Signet | Karl-Johan Alm, Anthony Towns | Standard | Proposed |
| 326 | Applications | Anti-fee-sniping in taproot transactions | Chris Belcher | Informational | Draft |
| 327 | MuSig2 for BIP340-compatible Multi-Signatures | Jonas Nick, Tim Ruffing, Elliott Jin | Informational | Draft | |
| 329 | Applications | Wallet Labels Export Format | Craig Raw | Informational | Draft |
| 330 | Peer Services | Transaction announcements reconciliation | Gleb Naumenko, Pieter Wuille | Standard | Draft |
| 331 | Peer Services | Ancestor Package Relay | Gloria Zhao | Standard | Draft |
| 338 | Peer Services | Disable transaction relay message | Suhas Daftuar | Standard | Draft |
| 339 | Peer Services | WTXID-based transaction relay | Suhas Daftuar | Standard | Draft |
| 340 | Schnorr Signatures for secp256k1 | Pieter Wuille, Jonas Nick, Tim Ruffing | Standard | Final | |
| 341 | Consensus (soft fork) | Taproot: SegWit version 1 spending rules | Pieter Wuille, Jonas Nick, Anthony Towns | Standard | Final |
| 342 | Consensus (soft fork) | Validation of Taproot Scripts | Pieter Wuille, Jonas Nick, Anthony Towns | Standard | Final |
| 343 | Consensus (soft fork) | Mandatory activation of taproot deployment | Shinobius, Michael Folkson | Standard | Final |
| 345 | Consensus (soft fork) | OP_VAULT | James O'Beirne, Greg Sanders, Anthony Towns | Standard | Draft |
| 350 | Applications | Bech32m format for v1+ witness addresses | Pieter Wuille | Standard | Final |
| 351 | Applications | Private Payments | Alfred Hodler, Clark Moody | Informational | Draft |
| 370 | Applications | PSBT Version 2 | Ava Chow | Standard | Draft |
| 371 | Applications | Taproot Fields for PSBT | Ava Chow | Standard | Draft |
| 372 | Applications | Pay-to-contract tweak fields for PSBT | Maxim Orlovsky | Standard | Draft |
| 380 | Applications | Output Script Descriptors General Operation | Pieter Wuille, Ava Chow | Informational | Draft |
| 381 | Applications | Non-Segwit Output Script Descriptors | Pieter Wuille, Ava Chow | Informational | Draft |
| 382 | Applications | Segwit Output Script Descriptors | Pieter Wuille, Ava Chow | Informational | Draft |
| 383 | Applications | Multisig Output Script Descriptors | Pieter Wuille, Ava Chow | Informational | Draft |
| 384 | Applications | combo() Output Script Descriptors | Pieter Wuille, Ava Chow | Informational | Draft |
| 385 | Applications | raw() and addr() Output Script Descriptors | Pieter Wuille, Ava Chow | Informational | Draft |
| 386 | Applications | tr() Output Script Descriptors | Pieter Wuille, Ava Chow | Informational | Draft |
| 389 | Applications | Multipath Descriptor Key Expressions | Ava Chow | Informational | Draft |