Summary
Only base-consensus and base-reth-node will support the Base Azul hardfork. If you are running op-node, op-geth or any other clients you will need to update prior to the activation date.
- Add Osaka Support
- Simplify Flashblocks Websocket Format
- Enable a new multi-proof system for faster withdrawals and a path to stronger decentralization
- Only Base Node Reth / Base Consensus will be supported
Activation Timestamps
| Network | Activation timestamp |
|---|
mainnet | 1778695200 (2026-05-13 18:00:00 UTC) |
sepolia | 1776708000 (2026-04-20 18:00:00 UTC) |
Execution Layer
Proofs
