BIPs that are implemented by Bitcoin Core:
- `BIP 9`: The changes allowing multiple soft-forks to be deployed in parallel have been implemented since v0.12.1 (PR #7575)
- `BIP 11`: Multisig outputs are standard since v0.6.0 (PR #669).
- `BIP 13`: The address format for P2SH addresses has been implemented since v0.6.0 (PR #669).
- `BIP 14`: The subversion string is being used as User Agent since v0.6.0 (PR #669).
- `BIP 16`: The pay-to-script-hash evaluation rules have been implemented since v0.6.0, and took effect on April 1st 2012 (PR #748).
- `BIP 21`: The URI format for Bitcoin payments has been implemented since v0.6.0 (PR #176).
- `BIP 22`: The 'getblocktemplate' (GBT) RPC protocol for mining has been implemented since v0.7.0 (PR #936).
- `BIP 23`: Some extensions to GBT have been implemented since v0.10.0rc1, including longpolling and block proposals (PR #1816).
- `BIP 30`: The evaluation rules to forbid creating new transactions with the same txid as previous not-fully-spent transactions were implemented since v0.6.0, and the rule took effect on March 15th 2012 (PR #915).
- `BIP 31`: The 'pong' protocol message (and the protocol version bump to 60001) has been implemented since v0.6.1 (PR #1081).
- `BIP 32`: Hierarchical Deterministic Wallets has been implemented since v0.13.0 (PR #8035).
- `BIP 34`: The rule that requires blocks to contain their height (number) in the coinbase input, and the introduction of version 2 blocks has been implemented since v0.7.0. The rule took effect for version 2 blocks as of block 224413 (March 5th 2013), and version 1 blocks are no longer allowed since block 227931 (March 25th 2013) (PR #1526).
- `BIP 35`: The 'mempool' protocol message (and the protocol version bump to 60002) has been implemented since v0.7.0 (PR #1641). As of v0.13.0, this is only available for
NODE_BLOOM (BIP 111) peers.
- `BIP 37`: The bloom filtering for transaction relaying, partial Merkle trees for blocks, and the protocol version bump to 70001 (enabling low-bandwidth SPV clients) has been implemented since v0.8.0 (PR #1795). Disabled by default since v0.19.0, can be enabled by the
-peerbloomfilters option.
- `BIP 42`: The bug that would have caused the subsidy schedule to resume after block 13440000 was fixed in v0.9.2 (PR #3842).
- `BIP 43`: The experimental descriptor wallets introduced in v0.21.0 by default use the Hierarchical Deterministic Wallet derivation proposed by BIP 43. (PR #16528)
- `BIP 44`: The experimental descriptor wallets introduced in v0.21.0 by default use the Hierarchical Deterministic Wallet derivation proposed by BIP 44. (PR #16528)
- `BIP 49`: The experimental descriptor wallets introduced in v0.21.0 by default use the Hierarchical Deterministic Wallet derivation proposed by BIP 49. (PR #16528)
- `BIP 61`: The 'reject' protocol message (and the protocol version bump to 70002) was added in v0.9.0 (PR #3185). Starting v0.17.0, whether to send reject messages can be configured with the
-enablebip61 option, and support is deprecated (disabled by default) as of v0.18.0. Support was removed in v0.20.0 (PR #15437).
- `BIP 65`: The CHECKLOCKTIMEVERIFY softfork was merged in v0.12.0 (PR #6351), and backported to v0.11.2 and v0.10.4. Mempool-only CLTV was added in PR #6124.
- `BIP 66`: The strict DER rules and associated version 3 blocks have been implemented since v0.10.0 (PR #5713).
- `BIP 68`: Sequence locks have been implemented as of v0.12.1 (PR #7184), and have been buried since v0.19.0 (PR #16060).
- `BIP 70` `71` `72`:
Payment Protocol support has been available in Bitcoin Core GUI since v0.9.0 (PR #5216).
Support can be optionally disabled at build time since v0.18.0 (PR 14451),
and it is disabled by default at build time since v0.19.0 (PR #15584).
It has been removed as of v0.20.0 (PR 17165).
- `BIP 84`: The experimental descriptor wallets introduced in v0.21.0 by default use the Hierarchical Deterministic Wallet derivation proposed by BIP 84. (PR #16528)
- `BIP 86`: Descriptor wallets by default use the Hierarchical Deterministic Wallet derivation proposed by BIP 86 since v23.0 (PR #22364).
- `BIP 90`: Trigger mechanism for activation of BIPs 34, 65, and 66 has been simplified to block height checks since v0.14.0 (PR #8391).
- `BIP 94`: Testnet 4 (
-testnet4) supported as of v28.0 (PR #29775).
- `BIP 111`:
NODE_BLOOM service bit added, and enforced for all peer versions as of v0.13.0 (PR #6579 and PR #6641).
- `BIP 112`: The CHECKSEQUENCEVERIFY opcode has been implemented since v0.12.1 (PR #7524), and has been buried since v0.19.0 (PR #16060).
- `BIP 113`: Median time past lock-time calculations have been implemented since v0.12.1 (PR #6566), and has been buried since v0.19.0 (PR #16060).
- `BIP 130`: direct headers announcement is negotiated with peer versions
>=70012 as of v0.12.0 (PR 6494).
- `BIP 133`: feefilter messages are respected and sent for peer versions
>=70013 as of v0.13.0 (PR 7542).
- `BIP 141`: Segregated Witness (Consensus Layer) as of v0.13.0 (PR 8149), defined for mainnet as of v0.13.1 (PR 8937), and buried since v0.19.0 (PR #16060).
- `BIP 143`: Transaction Signature Verification for Version 0 Witness Program as of v0.13.0 (PR 8149), defined for mainnet as of v0.13.1 (PR 8937), and buried since v0.19.0 (PR #16060).
- `BIP 144`: Segregated Witness as of 0.13.0 (PR 8149).
- `BIP 145`: getblocktemplate updates for Segregated Witness as of v0.13.0 (PR 8149).
- `BIP 147`: NULLDUMMY softfork as of v0.13.1 (PR 8636 and PR 8937), buried since v0.19.0 (PR #16060).
- `BIP 152`: Compact block transfer and related optimizations are used as of v0.13.0 (PR 8068).
- `BIP 155`: The 'addrv2' and 'sendaddrv2' messages which enable relay of Tor V3 addresses (and other networks) are supported as of v0.21.0 (PR 19954).
- `BIP 157`
`158`: Compact Block Filters for Light Clients can be indexed as of v0.19.0 (PR #14121) and served to peers on the P2P network as of v0.21.0 (PR #16442).
- `BIP 159`: The
NODE_NETWORK_LIMITED service bit is signalled as of v0.16.0 (PR 11740), and such nodes are connected to as of v0.17.0 (PR 10387).
- `BIP 173`: Bech32 addresses for native Segregated Witness outputs are supported as of v0.16.0 (PR 11167). Bech32 addresses are generated by default as of v0.20.0 (PR 16884).
- `BIP 174`: RPCs to operate on Partially Signed Bitcoin Transactions (PSBT) are present as of v0.17.0 (PR 13557).
- `BIP 176`: Bits Denomination [QT only] is supported as of v0.16.0 (PR 12035).
- `BIP 323`: BIP 9 bits 5 to 28 (inclusive) are ignored for soft-fork signalling and unknown soft fork warnings as of v32.0.
- `BIP 324`: The v2 transport protocol specified by BIP324 and the associated
NODE_P2P_V2 service bit are supported as of v26.0, but off by default (PR 28331). On by default as of v27.0 (PR 29347).
- `BIP 325`: Signet test network is supported as of v0.21.0 (PR 18267).
- `BIP 327`: Key aggregation via
musig() descriptors is supported as of v30.0 (PR 31244). Signing is supported as of v31.0 (PR 29675)
- `BIP 328`: MuSig2 derivation via
musig() descriptors is supported as of v30.0 (PR 31244)
- `BIP 339`: Relay of transactions by wtxid is supported as of v0.21.0 (PR 18044).
- `BIP 340`
`341`
`342`:
Validation rules for Taproot (including Schnorr signatures and Tapscript
leaves) are implemented as of v0.21.0 (PR 19953),
with mainnet activation as of v0.21.1 (PR 21377,
PR 21686),
always active as of v24.0 (PR 23536).
`381`
`382`
`383`
`384`
`385`:
Output Script Descriptors, and most of Script Expressions are implemented as of v0.17.0 (PR 13697).
- `BIP 386`: tr() Output Script Descriptors are implemented as of v22.0 (PR 22051).
- `BIP 387`: Tapscript Multisig Output Script Descriptors are implemented as of v24.0 (PR 24043).
- `BIP 390`: MuSig2 Descriptor parsing is implemented in v30.0 (PR 31244) and signing in v31.0 (PR 29675)
- `BIP 431`: transactions with nVersion=3 are standard and treated as Topologically Restricted Until Confirmation as of v28.0 (PR 29496).
- `BIP 433`: Spending of Pay to Anchor (P2A) outputs is standard as of v28.0 (PR 30352).
- `BIP 434`: Peer Feature Negotiation as of v32.0 (PR 35221).