| 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 | Sebastien Guillemot, Vicente Almonacid, Robert Phair | 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 | Draft |
| 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 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 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 | 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 71 | Non-Fungible Token (NFT) Proxy Voting Standard | 11 October 2022 | Thaddeus Diamond | 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 | Inactive (project area not enlisted for CIP process) |
| CIP 80 | Transaction Serialization Deprecation Cycle | 09 November 2022 | Jared Corduan | Active |
| CIP 82 | Improved Rewards Scheme Parameters | 03 January 2022 | Tobias Fancee | Inactive (project area not enlisted for CIP process) |
| CIP 83 | Encrypted Transaction message/comment metadata (Addendum to CIP-0020) | 08 December 2022 | Martin Lang, Ola Ahlman, Andrew Westberg, Adam Dean | Active |
| CIP 0381 | Plutus support for Pairings over BLS12_381 | 11 February 2022 | Iñigo Querejeta-Azurmendi | 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 |
