Preparing for the L2 migration

This page outlines breaking changes related to the Celo L2 migration. This migration requires changes by node operators on the different Celo networks.

info

This page will be updated continuously with information on upgrade runbooks and timelines as they come.

• The Alfajores testnet has been migrated on block 26384000, September 26, 2024.
• The Baklava testnet has been migrated on block 28308600, February 20, 2025.

For node operators

Node operators will need to upgrade to the respective releases before the activation dates and migrate their state database. See the Node Operator Guide for detailed information.

The hardfork is scheduled for the following block on each network.

Alfajores testnet

• Block number: 26384000
• Date: September 26, 2024
• Minimum celo-blockchain version: v1.8.7
• op-geth: celo-v2.0.0-rc4
• op-node: celo-v2.0.0-rc4

Baklava testnet

• Block number: 28308600
• Date: February 20, 2025
• Minimum celo-blockchain version: v1.8.8
• op-geth: celo-v2.0.0-rc4
• op-node: celo-v2.0.0-rc4