Cardano Improvement
Proposals

162Contributors

108CIPs

13CPSs

7Merged

54Open

ActiveMeta
#1
CIP Process
Frederic Johnson, Sebastien Guillemot, Matthias Benkort, Duncan Coutts, Michael Peyton Jones, and Robert Phair
ActiveMeta
Created on March 21, 2020
ActiveWallets
#2
Coin Selection Algorithms for Cardano
Jonathan Knowles
ActiveWallets
Created on May 4, 2020
ActiveWallets
#3
Wallet Key Generation
Matthias Benkort, and Sebastien Guillemot
ActiveWallets
Created on May 7, 2020
ProposedWallets
#4
Wallet Checksums
Ruslan Dudin, and Sebastien Guillemot
ProposedWallets
Created on May 1, 2019
ActiveTools
#5
Common Bech32 Prefixes
Matthias Benkort
ActiveTools
Created on May 28, 2020
ActiveTools
#6
Stake Pool Extended Metadata
Markus Gufler, and Mike Fullman
ActiveTools
Created on July 20, 2020
ProposedLedger
#7
Curve Pledge Benefit
Shawn McMurdo
ProposedLedger
Created on August 11, 2020
ActiveTools
#8
Message Signing
Sebastien Guillemot
ActiveTools
Created on September 28, 2020
ActiveLedger
#9
Protocol Parameters (Shelley Era)
Kevin Hammond
ActiveLedger
Created on January 29, 2021
ActiveMetadata
#10
Transaction Metadata Label Registry
Sebastien Guillemot
ActiveMetadata
Created on October 31, 2020
ActiveWallets
#11
Staking key chain for HD wallets
Sebastien Guillemot, and Matthias Benkort
ActiveWallets
Created on November 4, 2020
ProposedMetadata
#12
On-chain stake pool operator to delegates communication
Marek Mahut, Sebastien Guillemot, and Ján Hrnko
ProposedMetadata
Created on November 7, 2020
ProposedWallets
#13
Cardano URI Scheme
Robert Phair, Sebastien Guillemot, and Vicente Almonacid
ProposedWallets
Created on September 22, 2020
ActiveTokens
#14
User-Facing Asset Fingerprint
Matthias Benkort, and Rodney Lorrimar
ActiveTokens
Created on February 1, 2020
ActiveMetadata
#15
Registration Transaction Metadata Format
Sebastien Guillemot, Rinor Hoxha, and Mikhail Zabaluev
ActiveMetadata
Created on January 5, 2020
ActiveTools
#16
Cryptographic Key Serialisation Formats
Luke Nadur
ActiveTools
Created on December 21, 2020
Inactive (abandoned for lack of interest)Tools
#17
Cardano Delegation Portfolio
Matthias Benkort
Inactive (abandoned for lack of interest)Tools
Created on April 2, 2020
ProposedWallets
#18
Multi-Stake-Keys Wallets
Matthias Benkort
ProposedWallets
Created on March 18, 2020
ActiveLedger
#19
Cardano Addresses
Matthias Benkort
ActiveLedger
Created on March 25, 2020
ActiveMetadata
#20
Transaction message/comment metadata
Martin Lang, Ola Ahlman, and Andrew Westberg
ActiveMetadata
Created on June 13, 2021
ActiveWallets
#21
Transaction requirements for interoperability with hardware wallets
Gabriel Kerekes, Rafael Korbas, and Jan Mazak
ActiveWallets
Created on June 15, 2021
ActiveTools
#22
Pool operator verification
Andrew Westberg, Martin Lang, and Ola Ahlman
ActiveTools
Created on June 21, 2021
ProposedLedger
#23
Fair Min Fees
Shawn McMurdo
ProposedLedger
Created on February 4, 2021
ProposedWallets
#24
Non-Centralizing Rankings
Shawn McMurdo
ProposedWallets
Created on September 15, 2020
ActiveTokens
#25
Media Token Metadata Standard
Alessandro Konrad, and Smaug
ActiveTokens
Created on April 8, 2021
ActiveMetadata
#26
Cardano Off-Chain Metadata
Matthias Benkort, Michael Peyton Jones, and Polina Vinogradova
ActiveMetadata
Created on August 10, 2021
ActiveTokens
#27
CNFT Community Royalties Standard
Huth S0lo, and TheRealAdamDean
ActiveTokens
Created on August 29, 2021
ActiveLedger
#28
Protocol Parameters (Alonzo Era)
Kevin Hammond
ActiveLedger
Created on October 14, 2021
ActiveTools
#29
Phase-1 Monetary Scripts Serialization Formats
Matthias Benkort
ActiveTools
Created on August 17, 2020
ActiveWallets
#30
Cardano dApp-Wallet Web Bridge
rooooooooob
ActiveWallets
Created on April 29, 2021
ActivePlutus
#31
Reference inputs
Michael Peyton Jones
ActivePlutus
Created on November 29, 2021
ActivePlutus
#32
Inline datums
Michael Peyton Jones
ActivePlutus
Created on November 29, 2021
ActivePlutus
#33
Reference scripts
Michael Peyton Jones
ActivePlutus
Created on November 29, 2021
ProposedTools
#34
Chain ID Registry
Sebastien Guillemot
ProposedTools
Created on November 24, 2021
ActiveMeta
#35
Changes to Plutus Core
Michael Peyton Jones
ActiveMeta
Created on February 9, 2022
ProposedTools
#36
Catalyst Registration Transaction Metadata Format (Updated)
Giacomo Pasini, Kevin Hammond, and Mark Stopka
ProposedTools
Created on December 6, 2021
ProposedLedger
#37
Dynamic Saturation Based on Pledge
Casey Gibson
ProposedLedger
Created on December 3, 2021
ActiveLedger
#40
Collateral Output
Sebastien Guillemot, Jared Corduan, and Andre Knispel
ActiveLedger
Created on February 10, 2022
ActivePlutus
#42
New Plutus Builtin serialiseData
Matthias Benkort, and Sebastian Nagel
ActivePlutus
Created on February 9, 2022
ActiveWallets
#45
Decentralized WebRTC dApp-Wallet Communication
Fabian Bormann, and Jaime Caso
ActiveWallets
Created on November 29, 2022
ActivePlutus
#49
ECDSA and Schnorr signatures in Plutus Core
Koz Ross, Michael Peyton-Jones, and Iñigo Querejeta Azurmendi
ActivePlutus
Created on April 27, 2022
ProposedLedger
#50
Pledge Leverage-Based Staking Rewards
Michael Liesenfelt
ProposedLedger
Created on April 4, 2022
ProposedMeta
#52
Cardano audit best practice guidelines
Simon Thompson
ProposedMeta
Created on April 25, 2022
ProposedTokens
#54
Cardano Smart NFTs
Kieran Simkin
ProposedTokens
Created on May 18, 2022
ActiveLedger
#55
Protocol Parameters (Babbage Era)
Jared Corduan
ActiveLedger
Created on May 19, 2022
ActiveTools
#57
Plutus Contract Blueprint
KtorZ, and scarmuega
ActiveTools
Created on May 15, 2022
Inactive (superseded by CIP-0121 and CIP-0122)Plutus
#58
Plutus Bitwise Primitives
Koz Ross, and Maximilian König
Inactive (superseded by CIP-0121 and CIP-0122)Plutus
Created on May 27, 2022
ActiveMeta
#59
Terminology Surrounding Core Features
Jared Corduan
ActiveMeta
Created on June 9, 2022
ActiveMetadata
#60
Music Token Metadata
Andrew Westberg, Ryan Jones, Justin Morgan, Ian Singer, Anthony Eizmendiz, Session Cruz, Jimmy Londo, Gudbrand Tokerud, Kevin St.Clair, Brandon Loyche, Andrew Donovan, The Finest LLC (DBA So Litty Records), Cristhian Escobar, and Gabriel Stephan Talamantes
ActiveMetadata
Created on July 26, 2022
ProposedTokens
#67
Asset Name Label Registry
Alessandro Konrad, and Thomas Vellekoop
ProposedTokens
Created on July 13, 2022
ActiveTokens
#68
Datum Metadata Standard
Alessandro Konrad, and Thomas Vellekoop
ActiveTokens
Created on July 13, 2022
ActivePlutus
#69
Script Signature Unification
Maksymilian 'zygomeb' Brodowicz
ActivePlutus
Created on August 23, 2022
ProposedTools
#71
Non-Fungible Token (NFT) Proxy Voting Standard
Thaddeus Diamond
ProposedTools
Created on October 11, 2022
ProposedMetadata
#72
Cardano dApp Registration & Discovery
Bruno Martins, Mateusz Czeladka, and Daniel Main
ProposedMetadata
Created on October 18, 2022
ProposedLedger
#74
Set minPoolCost to 0
Robin of Loxley
ProposedLedger
Created on October 17, 2022
ProposedLedger
#75
Fair Stake Pool Rewards
Tobias Fancee
ProposedLedger
Created on October 21, 2022
ActiveLedger
#80
Transaction Serialization Deprecation Cycle
Jared Corduan
ActiveLedger
Created on November 9, 2022
ProposedLedger
#82
Improved Rewards Scheme Parameters
Tobias Fancee
ProposedLedger
Created on January 3, 2022
ActiveMetadata
#83
Encrypted Transaction message/comment metadata (Addendum to CIP-0020)
Martin Lang, Ola Ahlman, Andrew Westberg, and Adam Dean
ActiveMetadata
Created on December 8, 2022
ActiveMeta
#84
Cardano Ledger Evolution
Jared Corduan
ActiveMeta
Created on January 30, 2023
ActivePlutus
#85
Sums-of-products in Plutus Core
Michael Peyton Jones
ActivePlutus
Created on January 30, 2023
ProposedMetadata
#86
NFT Metadata Update Oracles
Nicolas Ayotte, George Flerovsky, Samuel Williams, and Nathaniel Lane
ProposedMetadata
Created on November 1, 2022
ProposedTokens
#88
Token Policy Registration
Adam Dean
ProposedTokens
Created on February 27, 2023
ProposedPlutus
#91
Don't force Built-In functions
Niels Mündler
ProposedPlutus
Created on February 5, 2023
ProposedTools
#93
Authenticated Web3 HTTP requests
Juan Salvador Magán Valero
ProposedTools
Created on December 27, 2022
ActiveTools
#94
On-chain SPO polls
Matthias Benkort, and Markus Gufler
ActiveTools
Created on March 21, 2023
ActiveWallets
#95
Web-Wallet Bridge - Conway ledger era
Ryan Williams
ActiveWallets
Created on February 24, 2022
ActiveWallets
#99
Proof of Onboarding
Adam Dean, Carl, and Alex Dochioiu
ActiveWallets
Created on June 20, 2023
ProposedMetadata
#100
Governance Metadata
Pi Lanningham
ProposedMetadata
Created on April 9, 2023
ProposedPlutus
#101
Integration of keccak256 into Plutus
Sergei Patrikeev, and Iñigo Querejeta-Azurmendi
ProposedPlutus
Created on June 13, 2023
ProposedTokens
#102
Royalty Datum Metadata
Sam Delaney
ProposedTokens
Created on August 8, 2023
ActiveWallets
#103
Web-Wallet Bridge - Bulk transaction signing
Martín Schere, and Ola Ahlman
ActiveWallets
Created on September 3, 2023
ProposedWallets
#104
Web-Wallet Bridge - Account public key
Ola Ahlman, and Andrew Westberg
ProposedWallets
Created on September 3, 2023
ActiveWallets
#105
Conway era Key Chains for HD Wallets
Ryan Williams
ActiveWallets
Created on September 22, 2023
ProposedWallets
#106
Web-Wallet Bridge - Multisig wallets
Leo
ProposedWallets
Created on October 12, 2023
ProposedTools
#107
URI Scheme - Block and transaction objects
Pi Lanningham
ProposedTools
Created on September 22, 2020
ProposedMetadata
#108
Governance Metadata - Governance Actions
Ryan Williams
ProposedMetadata
Created on November 23, 2023
ProposedPlutus
#109
Modular Exponentiation Built-in for Plutus Core
Kenneth MacKenzie, Michael Peyton Jones, Iñigo Querejeta-Azurmendi, and Thomas Vellekoop
ProposedPlutus
Created on October 5, 2023
ActivePlutus
#110
Plutus v1 Script References
Pi Lanningham
ActivePlutus
Created on December 20, 2023
ProposedPlutus
#112
Observe Script Type
Philip DiSarro
ProposedPlutus
Created on January 8, 2024
ProposedTools
#114
CBOR Tags Registry
Steven Johnson
ProposedTools
Created on January 25, 2020
ProposedTools
#115
CBOR tag definition - ED25519-BIP32 Keys
Steven Johnson
ProposedTools
Created on January 19, 2024
ProposedTools
#116
Standard JSON encoding for Domain Types
Vladimir Kalnitsky
ProposedTools
Created on February 22, 2024
ActivePlutus
#117
Explicit script return values
Michael Peyton Jones
ActivePlutus
Created on January 22, 2024
ProposedMetadata
#119
Governance metadata - DReps
Thomas Upfield
ProposedMetadata
Created on February 7, 2024
ProposedMetadata
#120
Constitution specification
Ryan Williams, and Danielle Stanko
ProposedMetadata
Created on March 19, 2024
ActivePlutus
#121
Integer-ByteString conversions
Koz Ross, Ilia Rodionov, and Jeff Cheah
ActivePlutus
Created on November 17, 2023
ActivePlutus
#122
Logical operations over BuiltinByteString
Koz Ross
ActivePlutus
Created on May 3, 2024
ActivePlutus
#123
Bitwise operations over BuiltinByteString
Koz Ross
ActivePlutus
Created on May 16, 2024
ProposedMetadata
#124
Extend token metadata for translations
Vito Melchionna, Aaron Schmid, and Carolina Isler @LaPetiteADA
ProposedMetadata
Created on March 19, 2023
ActivePlutus
#127
ripemd-160 hashing in Plutus Core
Tomasz Rybarczy
ActivePlutus
Created on May 22, 2024
ProposedLedger
#128
Preserving Order of Transaction Inputs
Jonathan Rodriguez
ProposedLedger
Created on February 1, 2024
ProposedTools
#129
Governance Identifiers
Ashish Prajapati
ProposedTools
Created on July 15, 2024
ProposedPlutus
#133
Plutus support for Multi-Scalar Multiplication over BLS12-381
Dmytro Kaidalov, Adam Smolarek, and Thomas Vellekoop
ProposedPlutus
Created on August 22, 2024
ProposedWallets
#134
Cardano URIs - Address Representation
Steven Johnson
ProposedWallets
Created on August 23, 2024
ActiveTools
#135
Disaster Recovery Plan for Cardano networks
Kevin Hammond, Sam Leathers, Alex Moser, Steve Wagendorp, Andrew Westberg, and Nicholas Clarke
ActiveTools
Created on June 17, 2024
ProposedMetadata
#136
Governance metadata - Constitutional Committee votes
Ryan Williams, and Eystein Magnus Hansen
ProposedMetadata
Created on July 17, 2024
ProposedNetwork
#137
Decentralized Message Queue
Jean-Philippe Raynaud, Arnaud Bailly, Marcin Szamotulski, Armando Santos, Neil Davies, and Sebastian Nagel
ProposedNetwork
Created on August 2, 2024
ProposedPlutus
#138
Plutus Core Builtin Type - `Array`
Michael Peyton Jones, and Ana Pantilie
ProposedPlutus
Created on September 18, 2024
ProposedConsensus
#140
Ouroboros Peras - Faster Settlement
Arnaud Bailly, Brian W. Bush, Sandro Coretti-Drayton, Yves Hauser, and Hans Lahe
ProposedConsensus
Created on August 15, 2024
Inactive (incorporated into candidate CIP-0113)Tokens
#143
Interoperable Programmable Tokens
Philip DiSarro
Inactive (incorporated into candidate CIP-0113)Tokens
Created on December 3, 2024
ActivePlutus
#381
Plutus support for Pairings over BLS12-381
Iñigo Querejeta-Azurmendi
ActivePlutus
Created on February 11, 2022
ActiveLedger
#1694
A First Step Towards On-Chain Decentralized Governance
Jared Corduan, Andre Knispel, Matthias Benkort, Kevin Hammond, Charles Hoskinson, and Samuel Leathers
ActiveLedger
Created on November 18, 2022
ActiveWallets
#1852
HD (Hierarchy for Deterministic) Wallets for Cardano
Sebastien Guillemot, and Matthias Benkort
ActiveWallets
Created on October 28, 2019
ProposedWallets
#1853
HD (Hierarchy for Deterministic) Stake Pool Cold Keys for Cardano
Rafael Korbas
ProposedWallets
Created on December 14, 2020
ActiveWallets
#1854
Multi-signatures HD Wallets
Matthias Benkort, and Pawel Jakubas
ActiveWallets
Created on February 23, 2021
ProposedWallets
#1855
Forging policy keys for HD Wallets
Samuel Leathers, John Lotoski, Michael Bishop, and David Arnold
ProposedWallets
Created on June 2, 2021
ActiveMeta
#9999
Cardano Problem Statements
Matthias Benkort, and Michael Peyton Jones
ActiveMeta
Created on October 14, 2022

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