Cardano Improvement Proposals

Cardano Improvement Proposals (CIPs)

Cardano Improvement Proposals (CIPs) describe standards, processes; or provide general guidelines or information to the Cardano Community. It is a formal, technical communication process that exists off-chain. The current process is described in details in CIP1 - "CIP Process".

Current CIPs (as of 2021-11-18)

# Title Status
1 CIP process Active
2 Coin Selection Algorithms for Cardano Active
3 Wallet key generation Active
4 Wallet Checksums Draft
5 Common Bech32 Prefixes Active
6 Stake Pool Extended Metadata Draft
7 Curve Pledge Benefit Draft
8 Message Signing Draft
9 Protocol Parameters Draft
10 Transaction Metadata Label Registry Draft
11 Staking key chain for HD wallets Draft
12 On-chain stake pool operator to delegates communication Draft
13 Cardano URI Scheme Draft
14 User-Facing Asset Fingerprint Draft
15 Catalyst Registration Transaction Metadata Format Draft
16 Cryptographic Key Serialisation Formats Draft
17 Cardano Delegation Portfolio Draft
18 Multi-Stake-Keys Wallets Draft
19 Cardano Addresses Active
20 Transaction message/comment metadata Draft
21 Transaction requirements for interoperability with hardware wallets Draft
22 Pool operator verification Active
23 Fair Min Fees Draft
24 Non-Centralizing Rankings Draft
25 NFT Metadata Standard Draft
26 Cardano Off-Chain Metadata Draft
27 CNFT Community Royalties Standard Draft
29 Phase-1 Monetary Scripts Serialization Formats Draft
30 Cardano dApp-Wallet Web Bridge Draft
1852 HD (Hierarchy for Deterministic) Wallets for Cardano Draft
1853 HD (Hierarchy for Deterministic) Stake Pool Cold Keys for Cardano Draft
1854 Multi-signatures HD Wallets Draft
1855 Forging policy keys for HD Wallets Draft

💡 For more details about Statuses, refer to CIP1.

CIP creation process as a Sequence Diagram

  “Alice has a Cardano idea she'd like to build more formally…

Diagram: Mary interacting with community and editors for a Cardano Proposal

Extend or discuss ‘ideas’ in the Developer Forums, Cardano’s Official Developer Telegram Group or in #developers in Cardano Ambassadors Slack. CIP Editors meetings are public, recorded and summarized: do join and participate for discussions/PRs of significances to you.

🛈 To facilitate browsing and information sharing for non-Github users, an auto-generated site is also provided at