| 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 35 | Changes to Plutus Core | 09 February 2022 | Michael Peyton Jones | Active |
| CIP 84 | Cardano Ledger Evolution | 30 January 2023 | Jared Corduan | Active |
| CIP 9999 | Cardano Problem Statements | 14 October 2022 | Matthias Benkort, Michael Peyton Jones | Active |
