Bitcoin Improvement Proposals
Python Protocol Buffer Perl
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bip-0001 Fix formatting Oct 21, 2013
bip-0009 Add missing arrow to diagram Mar 2, 2016
bip-0016 Archive Revision as of 19:50, 9 March 2012 Oct 21, 2013
bip-0032 Fix formatting Oct 21, 2013
bip-0039 Added bip39 Italian wordlist Jan 28, 2016
bip-0042 Include image for BIP42 Apr 2, 2014
bip-0047 BIP-0047: Reusable payment codes Jul 10, 2015
bip-0068 Improve title, add encoding diagram and small fixup Nov 23, 2015
bip-0069 add EOF newlines per @luke-jr Sep 19, 2015
bip-0070 Put BIP 75 in the right place in README, and clean up formatting a bit Mar 17, 2016
bip-0073 Fix formatting Oct 21, 2013
bip-0075 - Spacing Apr 28, 2016
bip-0122 Assign BIP 122 Jan 8, 2016
bip-0144 BIP141: commitment clarification. BIP144: new diagram Apr 8, 2016
bip-0152 Update to new BIP 152 Protocol Flow May 24, 2016
scripts Travis: Initial formatting tests Feb 9, 2016
.travis.yml Travis: Initial formatting tests Feb 9, 2016
README.mediawiki Add compact-block bip May 23, 2016
bip-0001.mediawiki BIP1: formatfix for auxiliary file subsection Feb 12, 2016
bip-0002.mediawiki Defer BIP 2 Mar 18, 2016
bip-0009.mediawiki bip-0009: Remove n/a paragraph May 22, 2016
bip-0010.mediawiki Lots of formatting fixes Feb 3, 2016
bip-0011.mediawiki Promote Accepted->Final BIPs 11, 14, 21, 22, 23, 31, 32, 34, 35, 37, 65 Feb 1, 2016
bip-0012.mediawiki Change date format to ISO 8601 Apr 5, 2014
bip-0013.mediawiki Change date format to ISO 8601 Apr 5, 2014
bip-0014.mediawiki Merge branch '20160201_status_updates_a2f' Feb 12, 2016
bip-0015.mediawiki Lots of formatting fixes Feb 3, 2016
bip-0016.mediawiki Merge pull request #251 from dionyziz/patch-1 Jan 8, 2016
bip-0017.mediawiki Bugfix: BIP17: Withdrawn is the status, not the type Sep 4, 2015
bip-0018.mediawiki Change date format to ISO 8601 Apr 5, 2014
bip-0019.mediawiki Change date format to ISO 8601 Apr 5, 2014
bip-0020.mediawiki Change date format to ISO 8601 Apr 5, 2014
bip-0021.mediawiki Merge branch '20160201_status_updates_a2f' Feb 12, 2016
bip-0022.mediawiki BIP 22 & 145: Use simple Yes/No rather than templates (which don't wo… May 31, 2016
bip-0023.mediawiki Promote Accepted->Final BIPs 11, 14, 21, 22, 23, 31, 32, 34, 35, 37, 65 Feb 1, 2016
bip-0030.mediawiki Change date format to ISO 8601 Apr 5, 2014
bip-0031.mediawiki Promote Accepted->Final BIPs 11, 14, 21, 22, 23, 31, 32, 34, 35, 37, 65 Feb 1, 2016
bip-0032.mediawiki Merge branch '20160201_status_updates_a2f' Feb 12, 2016
bip-0033.mediawiki Change date format to ISO 8601 Apr 5, 2014
bip-0034.mediawiki Merge branch '20160201_status_updates_a2f' Feb 12, 2016
bip-0035.mediawiki Promote Accepted->Final BIPs 11, 14, 21, 22, 23, 31, 32, 34, 35, 37, 65 Feb 1, 2016
bip-0036.mediawiki Change date format to ISO 8601 Apr 5, 2014
bip-0037.mediawiki Replace my generic bip@ email with bip-specific emails everywhere May 23, 2016
bip-0038.mediawiki Merge pull request #309 from dcousens/patch-3 Feb 24, 2016
bip-0039.mediawiki Lots of formatting fixes Feb 3, 2016
bip-0042.mediawiki Change date format to ISO 8601 Apr 5, 2014
bip-0043.mediawiki Lots of formatting fixes Feb 3, 2016
bip-0044.mediawiki Crypzo has changed name to CoinVault Mar 10, 2016
bip-0045.mediawiki Lots of formatting fixes Feb 3, 2016
bip-0047.mediawiki add version 2 section for bloom filter-based notifications Apr 19, 2016
bip-0050.mediawiki Promote Draft->Final BIPs: 50 and 73 Feb 24, 2016
bip-0060.mediawiki Change date format to ISO 8601 Apr 5, 2014
bip-0061.mediawiki Reject code DUPLICATE also used for rejecting tx Mar 26, 2015
bip-0062.mediawiki Mark BIP62 as withdrawn Nov 17, 2015
bip-0064.mediawiki BIP 64: getutxo message Aug 11, 2014
bip-0065.mediawiki Promote Accepted->Final BIPs 11, 14, 21, 22, 23, 31, 32, 34, 35, 37, 65 Feb 1, 2016
bip-0066.mediawiki bip66: change status to final Aug 13, 2015
bip-0067.mediawiki BIP 67: Update email for Thomas Kerin Feb 3, 2016
bip-0068.mediawiki Update bip-0068.mediawiki May 1, 2016
bip-0069.mediawiki Merge remote-tracking branch 'origin-pull/230/head' Feb 24, 2016
bip-0070.mediawiki Lots of formatting fixes Feb 3, 2016
bip-0071.mediawiki Status Draft --> Final Jun 12, 2014
bip-0072.mediawiki Status changed from Draft to Final Jun 12, 2014
bip-0073.mediawiki Promote Draft->Final BIPs: 50 and 73 Feb 24, 2016
bip-0074.mediawiki Lots of formatting fixes Feb 3, 2016
bip-0075.mediawiki - Remove libsecp256k1 reference May 11, 2016
bip-0080.mediawiki BIP 80/81: Update email for Justus Ranvier Feb 3, 2016
bip-0081.mediawiki BIP 80/81: Update email for Justus Ranvier Feb 3, 2016
bip-0083.mediawiki Lots of formatting fixes Feb 3, 2016
bip-0099.mediawiki Lots of formatting fixes Feb 3, 2016
bip-0101.mediawiki Withdraw BIP 101 proposal Feb 11, 2016
bip-0102.mediawiki BIP 102: 95% update req Dec 18, 2015
bip-0103.mediawiki adding Pieter Wuille's 'Block size following technological growth Nov 9, 2015
bip-0105.mediawiki Add clarification about upper bounds. Nov 3, 2015
bip-0106.mediawiki Update and rename BIP-1xx.mediawiki to bip-0106.mediawiki Sep 5, 2015
bip-0107.mediawiki Lots of formatting fixes Feb 3, 2016
bip-0109.mediawiki Tweaked BIP 109 title Feb 11, 2016
bip-0111.mediawiki Replace my generic bip@ email with bip-specific emails everywhere May 23, 2016
bip-0112.mediawiki Update bip-0112.mediawiki May 1, 2016
bip-0113.mediawiki Set deployment schedule for BIP 68,112,113 Mar 17, 2016
bip-0114.mediawiki Merge pull request #369 from instagibbs/bip114clar Apr 14, 2016
bip-0120.mediawiki Spelling fix and small clarification for BIP 120 Oct 20, 2015
bip-0121.mediawiki Clarified that the PoP is sent as binary over http Oct 27, 2015
bip-0122.mediawiki Lots of formatting fixes Feb 3, 2016
bip-0123.mediawiki Lots of formatting fixes Feb 3, 2016
bip-0124.mediawiki Lots of formatting fixes Feb 3, 2016
bip-0125.mediawiki Lots of formatting fixes Feb 3, 2016
bip-0130.mediawiki Update with assigned BIP number (130) Oct 23, 2015
bip-0131.mediawiki fixed typos and wording Mar 14, 2016
bip-0132.mediawiki Lots of formatting fixes Feb 3, 2016
bip-0133.mediawiki bip 133: remove implementation detail Mar 7, 2016
bip-0140.mediawiki Assign BIP 140 Jan 8, 2016
bip-0141.mediawiki BIP141: BIP9 parameters for testnet May 6, 2016
bip-0142.mediawiki BIP142: Deferred Mar 16, 2016
bip-0143.mediawiki Merge pull request #374 from kanzure/bip143-signaturehash Apr 20, 2016
bip-0144.mediawiki Update to NODE_WITNESS service bit Apr 28, 2016
bip-0145.mediawiki BIP 22 & 145: Use simple Yes/No rather than templates (which don't wo… May 31, 2016
bip-0151.mediawiki Add BIP151, Peer-to-Peer Communication Encryption May 18, 2016
bip-0152.mediawiki Add compact-block bip May 23, 2016

README.mediawiki

People wishing to submit BIPs, first should propose their idea or document to the mailing list. After discussion they should email Luke Dashjr <luke_bipeditor@dashjr.org>. 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 community. 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 Active. For a BIP to become Active requires the mutual consent of the community.

Those proposing changes should consider that ultimately consent may rest with the consensus of the Bitcoin users (see also: economic majority).

Number Title Owner Type Status
1 BIP Purpose and Guidelines Amir Taaki Process Active
2 BIP Status and Comments Luke Dashjr Process Deferred
9 Version bits with timeout and delay Pieter Wuille, Peter Todd, Greg Maxwell, Rusty Russell Informational Draft
10 Multi-Sig Transaction Distribution Alan Reiner Informational Withdrawn
11 M-of-N Standard Transactions Gavin Andresen Standard Final
12 OP_EVAL Gavin Andresen Standard Withdrawn
13 Address Format for pay-to-script-hash Gavin Andresen Standard Final
14 Protocol Version and User Agent Amir Taaki, Patrick Strateman Standard Final
15 Aliases Amir Taaki Standard Deferred
16 Pay to Script Hash Gavin Andresen Standard Final
17 OP_CHECKHASHVERIFY (CHV) Luke Dashjr Standard Withdrawn
18 hashScriptCheck Luke Dashjr Standard Draft
19 M-of-N Standard Transactions (Low SigOp) Luke Dashjr Standard Draft
20 URI Scheme Luke Dashjr Standard Replaced
21 URI Scheme Nils Schneider, Matt Corallo Standard Final
22 getblocktemplate - Fundamentals Luke Dashjr Standard Final
23 getblocktemplate - Pooled Mining Luke Dashjr Standard Final
30 Duplicate transactions Pieter Wuille Standard Final
31 Pong message Mike Hearn Standard Final
32 Hierarchical Deterministic Wallets Pieter Wuille Informational Final
33 Stratized Nodes Amir Taaki Standard Draft
34 Block v2, Height in Coinbase Gavin Andresen Standard Final
35 mempool message Jeff Garzik Standard Final
36 Custom Services Stefan Thomas Standard Draft
37 Connection Bloom filtering Mike Hearn, Matt Corallo Standard Final
38 Passphrase-protected private key Mike Caldwell, Aaron Voisine Standard Draft
39 Mnemonic code for generating deterministic keys Marek Palatinus, Pavol Rusnak, Aaron Voisine, Sean Bowe Standard Draft
40 Stratum wire protocol Marek Palatinus Standard BIP number allocated
41 Stratum mining protocol Marek Palatinus Standard BIP number allocated
42 A finite monetary supply for Bitcoin Pieter Wuille Standard Draft
43 Purpose Field for Deterministic Wallets Marek Palatinus, Pavol Rusnak Standard Draft
44 Multi-Account Hierarchy for Deterministic Wallets Marek Palatinus, Pavol Rusnak Standard Draft
45 Structure for Deterministic P2SH Multisignature Wallets Manuel Araoz, Ryan X. Charles, Matias Alejo Garcia Standard Draft
47 Reusable Payment Codes for Hierarchical Deterministic Wallets Justus Ranvier Informational Draft
50 March 2013 Chain Fork Post-Mortem Gavin Andresen Informational Final
60 Fixed Length "version" Message (Relay-Transactions Field) Amir Taaki Standard Draft
61 Reject P2P message Gavin Andresen Standard Final
62 Dealing with malleability Pieter Wuille Standard Withdrawn
63 Stealth Addresses Peter Todd Standard BIP number allocated
64 getutxo message Mike Hearn Standard Draft
65 OP_CHECKLOCKTIMEVERIFY Peter Todd Standard Final
66 Strict DER signatures Pieter Wuille Standard Final
67 Deterministic Pay-to-script-hash multi-signature addresses through public key sorting Thomas Kerin, Jean-Pierre Rupp, Ruben de Vries Standard Draft
68 Relative lock-time using consensus-enforced sequence numbers Mark Friedenbach, BtcDrak, Nicolas Dorier, kinoshitajona Standard Draft
69 Lexicographical Indexing of Transaction Inputs and Outputs Kristov Atlas Informational Draft
70 Payment Protocol Gavin Andresen, Mike Hearn Standard Final
71 Payment Protocol MIME types Gavin Andresen Standard Final
72 bitcoin: uri extensions for Payment Protocol Gavin Andresen Standard Final
73 Use "Accept" header for response type negotiation with Payment Request URLs Stephen Pair Standard Final
74 Allow zero value OP_RETURN in Payment Protocol Toby Padilla Standard Draft
75 Out of Band Address Exchange using Payment Protocol Encryption Justin Newton, Matt David, Aaron Voisine, James MacWhyte Standard Draft
80 Hierarchy for Non-Colored Voting Pool Deterministic Multisig Wallets Justus Ranvier, Jimmy Song Informational Draft
81 Hierarchy for Colored Voting Pool Deterministic Multisig Wallets Justus Ranvier, Jimmy Song Informational Draft
83 Dynamic Hierarchical Deterministic Key Trees Eric Lombrozo Standard Draft
99 Motivation and deployment of consensus rule changes ([soft/hard]forks) Jorge Timón Informational Draft
101 Increase maximum block size Gavin Andresen Standard Withdrawn
102 Block size increase to 2MB Jeff Garzik Standard Draft
103 Block size following technological growth Pieter Wuille Standard Draft
105 Consensus based block size retargeting algorithm BtcDrak Standard Draft
106 Dynamically Controlled Bitcoin Block Size Max Cap Upal Chakraborty Standard Draft
107 Dynamic limit on the block size Washington Y. Sanchez Standard Draft
109 Two million byte size limit with sigop and sighash limits Gavin Andresen Standard Draft
111 NODE_BLOOM service bit Matt Corallo, Peter Todd Standard Draft
112 CHECKSEQUENCEVERIFY BtcDrak, Mark Friedenbach, Eric Lombrozo Standard Draft
113 Median time-past as endpoint for lock-time calculations Thomas Kerin, Mark Friedenbach Standard Draft
114 Merkelized Abstract Syntax Tree Johnson Lau Standard Draft
120 Proof of Payment Kalle Rosenbaum Standard Draft
121 Proof of Payment URI scheme Kalle Rosenbaum Standard Draft
122 URI scheme for Blockchain references / exploration Marco Pontello Standard Draft
123 BIP Classification Eric Lombrozo Process Draft
124 Hierarchical Deterministic Script Templates Eric Lombrozo, William Swanson Informational Draft
125 Opt-in Full Replace-by-Fee Signaling David A. Harding, Peter Todd Standard Draft
130 sendheaders message Suhas Daftuar Standard Draft
131 "Coalescing Transaction" Specification (wildcard inputs) Chris Priest Standard Draft
132 Committee-based BIP Acceptance Process Andy Chase Process Draft
133 feefilter message Alex Morcos Standard Draft
140 Normalized TXID Christian Decker Standard Draft
141 Segregated Witness (Consensus layer) Eric Lombrozo, Johnson Lau, Pieter Wuille Standard Draft
142 Address Format for Segregated Witness Johnson Lau Standard Deferred
143 Transaction Signature Verification for Version 0 Witness Program Johnson Lau, Pieter Wuille Standard Draft
144 Segregated Witness (Peer Services) Eric Lombrozo, Pieter Wuille Standard Draft
145 getblocktemplate Updates for Segregated Witness Luke Dashjr Standard Draft
151 Peer-to-Peer Communication Encryption Jonas Schnelli Standard Draft
152 Compact Block Relay Matt Corallo Standard Draft