OP Stack Chains Karst Hard Fork

Scheduled Maintenance Report for Alchemy

Completed

The scheduled maintenance has been completed.
Posted Jul 08, 2026 - 17:33 UTC

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Jul 08, 2026 - 16:00 UTC

Scheduled

The Karst hard fork is scheduled to activate on Mainnet OP Stack chains (Optimism, Ink, Unichain, Soneium, Mode, Zora) at 16:00:01 UTC. Alchemy nodes have been upgraded in preparation.
Posted Jul 08, 2026 - 15:47 UTC
This scheduled maintenance affected: Ink Chain, Mode, Optimism, Soneium, Unichain, and Zora.
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