Cardano Improvement Proposals


Number Title Created Authors Status
CIP 1 Cardano Improvement Proposals 21 March 2020 Frederic Johnson, Sebastien Guillemot, Matthias Benkort, Duncan Coutts, Michael Peyton Jones Active
CIP 2 Coin Selection Algorithms for Cardano 04 May 2020 Jonathan Knowles Active
CIP 3 Wallet Key Generation 07 May 2020 Matthias Benkort, Sebastien Guillemot Active
CIP 4 Wallet Checksums 01 May 2019 Ruslan Dudin, Sebastien Guillemot Proposed
CIP 5 Common Bech32 Prefixes 28 May 2020 Matthias Benkort Active
CIP 6 Stake Pool Extended Metadata 20 July 2020 Markus Gufler, Mike Fullman Draft
CIP 7 Curve Pledge Benefit 11 August 2020 Shawn McMurdo Proposed
CIP 8 Message Signing 28 September 2020 Sebastien Guillemot Draft
CIP 9 Protocol Parameters (Shelley Era) 29 January 2021 Kevin Hammond Active
CIP 10 Transaction Metadata Label Registry 31 October 2020 Sebastien Guillemot Active
CIP 11 Staking key chain for HD wallets 04 November 2020 Sebastien Guillemot, Matthias Benkort Active
CIP 12 On-chain stake pool operator to delegates communication 07 November 2020 Marek Mahut, Sebastien Guillemot, Ján Hrnko Draft
CIP 13 Cardano URI Scheme 22 September 2020 Robert Phair, Sebastien Guillemot, Vicente Almonacid Proposed
CIP 14 User-Facing Asset Fingerprint 01 February 2020 Matthias Benkort, Rodney Lorrimar Active
CIP 15 Catalyst Registration Transaction Metadata Format 05 January 2020 Sebastien Guillemot, Rinor Hoxha, Mikhail Zabaluev Active
CIP 16 Cryptographic Key Serialisation Formats 21 December 2020 Luke Nadur Active
CIP 17 Cardano Delegation Portfolio 02 April 2020 Matthias Benkort Active
CIP 18 Multi-Stake-Keys Wallets 18 March 2020 Matthias Benkort Draft
CIP 19 Cardano Addresses 25 March 2020 Matthias Benkort Active
CIP 20 Transaction message/comment metadata 13 June 2021 Martin Lang, Ola Ahlman, Andrew Westberg Active
CIP 21 Transaction requirements for interoperability with hardware wallets 15 June 2021 Gabriel Kerekes, Rafael Korbas, Jan Mazak Active
CIP 22 Pool operator verification 21 June 2021 Andrew Westberg, Martin Lang, Ola Ahlman Active
CIP 23 Fair Min Fees 04 February 2021 Shawn McMurdo Proposed
CIP 24 Non-Centralizing Rankings 15 September 2020 Shawn McMurdo Proposed
CIP 25 Media NFT Metadata Standard 08 April 2021 Alessandro Konrad, Smaug Active
CIP 26 Cardano Off-Chain Metadata 10 August 2021 Matthias Benkort, Michael Peyton Jones, Polina Vinogradova Draft
CIP 27 CNFT Community Royalties Standard 29 August 2021 Huth S0lo, TheRealAdamDean Active
CIP 28 Protocol Parameters (Alonzo Era) 14 October 2021 Kevin Hammond Active
CIP 29 Phase-1 Monetary Scripts Serialization Formats 17 August 2020 Matthias Benkort Active
CIP 30 Cardano dApp-Wallet Web Bridge 29 April 2021 rooooooooob Active
CIP 31 Reference inputs 29 November 2021 Michael Peyton Jones Active
CIP 32 Inline datums 29 November 2021 Michael Peyton Jones Active
CIP 33 Reference scripts 29 November 2021 Michael Peyton Jones Active
CIP 34 Chain ID Registry 24 November 2021 Sebastien Guillemot Draft
CIP 35 Changes to Plutus Core 09 February 2022 Michael Peyton Jones Active
CIP 36 Catalyst/Voltaire Registration Transaction Metadata Format (Updated) 06 December 2021 Giacomo Pasini, Kevin Hammond, Mark Stopka Proposed
CIP 37 Dynamic Saturation 03 December 2021 Casey Gibson Proposed
CIP 40 Explicit Collateral Output 10 February 2022 Sebastien Guillemot, Jared Corduan, Andre Knispel Active
CIP 42 New Plutus built-in serialiseData 09 February 2022 Matthias Benkort, Sebastian Nagel Active
CIP 49 ECDSA and Schnorr signatures in Plutus Core 27 April 2022 Koz Ross (koz@mlabs.city), Michael Peyton-Jones (michael.peyton-jones@iohk.io), Iñigo Querejeta Azurmendi (querejeta.azurmendi@iohk.io) Proposed
CIP 50 Pledge Leverage-Based Staking Rewards 04 April 2022 Michael Liesenfelt Proposed
CIP 52 Cardano audit best practice guidelines 25 April 2022 Simon Thompson Proposed
CIP 54 Cardano Smart NFTs 18 May 2022 Kieran Simkin Draft
CIP 55 Protocol Parameters (Babbage Era) 19 May 2022 Jared Corduan Active
CIP 57 Plutus Contract Blueprint 15 May 2022 KtorZ, scarmuega Active
CIP 58 Plutus Bitwise Primitives 27 May 2022 Koz Ross, Maximilian König Proposed
CIP 59 Terminology Surrounding Core Features 09 June 2022 Jared Corduan Active
CIP 60 Music Token Metadata 26 July 2022 Andrew Westberg, Ryan Jones, Justin Morgan, Ian Singer, Anthony Eizmendiz, Session Cruz, Jimmy Londo, Gudbrand Tokerud, Kevin St.Clair, Brandon Loyche, Andrew Donovan Active
CIP 67 Asset Name Label Registry 13 July 2022 Alessandro Konrad, Thomas Vellekoop Proposed
CIP 68 Datum Metadata Standard 13 July 2022 Alessandro Konrad, Thomas Vellekoop Proposed
CIP 69 Script Signature Unification 23 August 2022 Maksymilian 'zygomeb' Brodowicz Proposed
CIP 71 Non-Fungible Token (NFT) Proxy Voting Standard 11 October 2022 Thaddeus Diamond Proposed
CIP 72 Cardano dApp Registration & Discovery 18 October 2022 Bruno Martins, Mateusz Czeladka Proposed
CIP 74 Set minPoolCost to 0 17 October 2022 Robin of Loxley Proposed
CIP 75 Fair Stake Pool Rewards 21 October 2022 Tobias Fancee Proposed
CIP 80 Transaction Serialization Deprecation Cycle 09 November 2022 Jared Corduan Active
CIP 82 Improved Rewards Scheme Parameters 03 January 2022 Tobias Fancee Proposed
CIP 83 Encrypted Transaction message/comment metadata (Addendum to CIP-0020) 08 December 2022 Martin Lang, Ola Ahlman, Andrew Westberg, Adam Dean Active
CIP 84 Cardano Ledger Evolution 30 January 2023 Jared Corduan Active
CIP 85 Sums-of-products in Plutus Core 30 January 2023 Michael Peyton Jones Proposed
CIP 86 NFT Metadata Update Oracles 01 November 2022 Nicolas Ayotte, George Flerovsky, Samuel Williams, Nathaniel Lane Proposed
CIP 93 Authenticated Web3 HTTP requests 27 December 2022 Juan Salvador Magán Valero Proposed
CIP 94 On-chain SPO polls 21 March 2023 Matthias Benkort, Markus Gufler Active
CIP 95 Web-Wallet Bridge - Governance 24 February 2022 Ryan Williams Proposed
CIP 101 Integration of `keccak256` into Plutus 13 June 2023 Sergei Patrikeev, Iñigo Querejeta-Azurmendi Proposed
CIP 0381 Plutus support for Pairings over BLS12-381 11 February 2022 Iñigo Querejeta-Azurmendi Proposed
CIP 1694 A First Step Towards On-Chain Decentralized Governance 18 November 2022 Jared Corduan, Matthias Benkort, Kevin Hammond, Charles Hoskinson, Andre Knispel, Samuel Leathers Proposed
CIP 1852 HD (Hierarchy for Deterministic) Wallets for Cardano 28 October 2019 Sebastien Guillemot, Matthias Benkort Active
CIP 1853 HD (Hierarchy for Deterministic) Stake Pool Cold Keys for Cardano 14 December 2020 Rafael Korbas Active
CIP 1854 Multi-signatures HD Wallets 23 February 2021 Matthias Benkort, Pawel Jakubas Draft
CIP 1855 Forging policy keys for HD Wallets 02 June 2021 Samuel Leathers, John Lotoski, Michael Bishop, David Arnold Active
CIP 9999 Cardano Problem Statements 14 October 2022 Matthias Benkort, Michael Peyton Jones Active