BIPs by Status
Active
Deferred
- 15 Aliases
- 80 Hierarchy for Non-Colored Voting Pool Deterministic Multisig Wallets
- 81 Hierarchy for Colored Voting Pool Deterministic Multisig Wallets
Draft
- 8 Version bits with lock-in by height
- 47 Reusable Payment Codes for Hierarchical Deterministic Wallets
- 52 Durable, Low Energy Bitcoin PoW
- 60 Fixed Length version Message (Relay-Transactions Field)
- 78 A Simple Payjoin Proposal
- 84 Derivation scheme for P2WPKH based accounts
- 85 Deterministic Entropy From BIP32 Keychains
- 86 Key Derivation for Single Key P2TR Outputs
- 98 Fast Merkle Trees
- 116 MERKLEBRANCHVERIFY
- 117 Tail Call Execution Semantics
- 118 SIGHASH_ANYPREVOUT for Taproot Scripts
- 119 CHECKTEMPLATEVERIFY
- 122 URI scheme for Blockchain references / exploration
- 126 Best Practices for Heterogeneous Input Script Transactions
- 127 Simple Proof-of-Reserves Transactions
- 133 feefilter message
- 136 Bech32 Encoded Tx Position References
- 150 Peer Authentication
- 155 addrv2 message
- 157 Client Side Block Filtering
- 158 Compact Block Filters for Light Clients
- 159 NODE_NETWORK_LIMITED service bit
- 176 Bits Denomination
- 178 Version Extended WIF
- 179 Name for payment recipient identifiers
- 197 Hashed Time-Locked Collateral Contract
- 199 Hashed Time-Locked Contract transactions
- 300 Hashrate Escrows (Consensus layer)
- 301 Blind Merged Mining (Consensus layer)
- 310 Stratum protocol extensions
- 320 nVersion bits for general purpose use
- 322 Generic Signed Message Format
- 324 Version 2 P2P Encrypted Transport Protocol
- 326 Anti-fee-sniping in taproot transactions
- 329 Wallet Labels Export Format
- 330 Transaction announcements reconciliation
- 338 Disable transaction relay message
- 339 WTXID-based transaction relay
- 340 Schnorr Signatures for secp256k1
- 341 Taproot: SegWit version 1 spending rules
- 342 Validation of Taproot Scripts
- 350 Bech32m format for v1+ witness addresses
- 351 Private Payments
- 370 PSBT Version 2
- 371 Taproot Fields for PSBT
- 372 Pay-to-contract tweak fields for PSBT
- 380 Output Script Descriptors General Operation
- 381 Non-Segwit Output Script Descriptors
- 382 Segwit Output Script Descriptors
- 383 Multisig Output Script Descriptors
- 384 combo() Output Script Descriptors
- 385 raw() and addr() Output Script Descriptors
- 386 tr() Output Script Descriptors
Draft (Some confusion applies: The announcements for this never made it to the list, so it hasn't had public discussion)
Final
- 9 Version bits with timeout and delay
- 11 M-of-N Standard Transactions
- 13 Address Format for pay-to-script-hash
- 14 Protocol Version and User Agent
- 16 Pay to Script Hash
- 21 URI Scheme
- 22 getblocktemplate - Fundamentals
- 23 getblocktemplate - Pooled Mining
- 30 Duplicate transactions
- 31 Pong message
- 32 Hierarchical Deterministic Wallets
- 34 Block v2, Height in Coinbase
- 35 mempool message
- 37 Connection Bloom filtering
- 42 A finite monetary supply for Bitcoin
- 43 Purpose Field for Deterministic Wallets
- 49 Derivation scheme for P2WPKH-nested-in-P2SH based accounts
- 50 March 2013 Chain Fork Post-Mortem
- 61 Reject P2P message
- 65 OP_CHECKLOCKTIMEVERIFY
- 66 Strict DER signatures
- 68 Relative lock-time using consensus-enforced sequence numbers
- 70 Payment Protocol
- 71 Payment Protocol MIME types
- 72 bitcoin: uri extensions for Payment Protocol
- 73 Use Accept header for response type negotiation with Payment Request URLs
- 75 Out of Band Address Exchange using Payment Protocol Encryption
- 90 Buried Deployments
- 91 Reduced threshold Segwit MASF
- 112 CHECKSEQUENCEVERIFY
- 113 Median time-past as endpoint for lock-time calculations
- 137 Signatures of Messages using Private Keys
- 141 Segregated Witness (Consensus layer)
- 143 Transaction Signature Verification for Version 0 Witness Program
- 144 Segregated Witness (Peer Services)
- 145 getblocktemplate Updates for Segregated Witness
- 147 Dealing with dummy stack element malleability
- 148 Mandatory activation of segwit deployment
- 152 Compact Block Relay
- 173 Base32 address format for native v0-16 witness outputs
- 174 Partially Signed Bitcoin Transaction Format
Obsolete
Proposed
- 18 hashScriptCheck
- 39 Mnemonic code for generating deterministic keys
- 44 Multi-Account Hierarchy for Deterministic Wallets
- 45 Structure for Deterministic P2SH Multisignature Wallets
- 48 Multi-Script Hierarchy for Multi-Sig Wallets
- 67 Deterministic Pay-to-script-hash multi-signature addresses through public key sorting
- 69 Lexicographical Indexing of Transaction Inputs and Outputs
- 87 Hierarchy for Deterministic Multisig Wallets
- 88 Hierarchical Deterministic Path Templates
- 111 NODE_BLOOM service bit
- 125 Opt-in Full Replace-by-Fee Signaling
- 129 Bitcoin Secure Multisig Setup (BSMS)
- 130 sendheaders message
- 325 Signet
- 343 Mandatory activation of taproot deployment
Rejected
- 19 M-of-N Standard Transactions (Low SigOp)
- 33 Stratized Nodes
- 36 Custom Services
- 74 Allow zero value OP_RETURN in Payment Protocol
- 83 Dynamic Hierarchical Deterministic Key Trees
- 99 Motivation and deployment of consensus rule changes ([soft/hard]forks)
- 100 Dynamic maximum block size by miner vote
- 102 Block size increase to 2MB
- 104 Block75 - Max block size like difficulty
- 105 Consensus based block size retargeting algorithm
- 106 Dynamically Controlled Bitcoin Block Size Max Cap
- 107 Dynamic limit on the block size
- 109 Two million byte size limit with sigop and sighash limits
- 114 Merkelized Abstract Syntax Tree
- 115 Generic anti-replay protection using Script
- 124 Hierarchical Deterministic Script Templates
- 131 Coalescing Transaction Specification (wildcard inputs)
- 134 Flexible Transactions
- 135 Generalized version bits voting
- 140 Normalized TXID
- 156 Dandelion - Privacy Enhancing Routing
- 171 Currency/exchange rate information API
- 175 Pay to Contract Protocol
- 180 Block size/weight fraud proof
Replaced
Withdrawn
- 10 Multi-Sig Transaction Distribution
- 12 OP_EVAL
- 17 OP_CHECKHASHVERIFY (CHV)
- 62 Dealing with malleability
- 101 Increase maximum block size
- 103 Block size following technological growth
- 120 Proof of Payment
- 121 Proof of Payment URI scheme
- 132 Committee-based BIP Acceptance Process
- 142 Address Format for Segregated Witness
- 146 Dealing with signature encoding malleability
- 149 Segregated Witness (second deployment)
- 151 Peer-to-Peer Communication Encryption
- 154 Rate Limiting via peer specified challenges