CIP-0042: Matcha Network Upgrade
This Celestia Improvement Proposal (CIP-42) outlines the Matcha Network Upgrade, which includes six state-breaking CIPs that require a network upgrade. The upgrade involves lowering the trusting period, unbonding period, and maximum block and transaction sizes, as well as removing token filters and modifying issuance and commission rates. By listing these CIPs together, this proposal provides a comprehensive overview of the breaking changes in the Matcha upgrade.
| cip | 42 |
|---|---|
| title | Matcha Network Upgrade |
| description | Reference specifications included in the Matcha Network Upgrade |
| author | @evan-forbes |
| discussions-to | https://forum.celestia.org/t/cip-matcha-network-upgrade/2180 |
| status | Final |
| type | Meta |
| created | 2025-07-25 |
| requires | CIP-36, CIP-37, CIP-38, CIP-39, CIP-40, CIP-41 |
Abstract
This Meta CIP lists the CIPs included in the Matcha network upgrade.
Specification
Included CIPs
- CIP-36: Lowering Trusting Period to 7 Days
- CIP-37: Lower unbonding period to ~14 days
- CIP-38: Increase maximum block, square and transaction size
- CIP-39: Remove token filter for Hyperlane and IBC
- CIP-40: Privval Interface Extension for Arbitrary Message Signing
- CIP-41: Reduce issuance to 2.5% and increase minimum commission to 10%
All of the above CIPs are state breaking, and thus require a breaking network upgrade.
Rationale
This CIP provides a complete list of breaking changes for the Matcha upgrade, along with links to those specs.
Security Considerations
This CIP does not have additional security concerns beyond what is already discussed in each of the listed specs.
Copyright
Copyright and related rights waived via CC0.