[Celo] - Isthmus Mainnet Hard Fork

Scheduled Maintenance Report for Blockdaemon

Completed

The scheduled maintenance has been completed.
Posted Jul 09, 2025 - 17:00 UTC

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Jul 09, 2025 - 15:00 UTC

Scheduled

Celo Protocol will undergo the Isthmus Hard Fork on mainnet on 07/09/2025 @ 15:00 UTC. We expect downtime of up to 30 minutes as a result of the hard fork.

Notable EIP's included:

EIP-7702: Set code transaction
EIP-2537: BLS12-381 precompiles
EIP-2935: Block hashes contract predeploy
EIP-7623: Increase calldata cost

You can find a list of the changes included in the hard fork here
https://docs.celo.org/cel2/notices/isthmus-upgrade

We do not anticipate any unexpected downtime other than mentioned above. If you have any questions or concerns please reach out to your Customer Success Manager.
Posted Jul 09, 2025 - 07:29 UTC
This scheduled maintenance affected: Blockdaemon Validators (Celo Validator), Blockdaemon RPC API (Celo Native API), and Protocols (Dedicated Nodes) (Celo).
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