Starknet Mainnet block production stalled

Incident Report for Alchemy

Resolved

Starknet Mainnet block production has resumed and Alchemy Starknet endpoints are serving current chain data as expected. Applications that cached stale state during the stall should recover on their next refresh.

Thank you for your patience while the network recovered.

Posted Oct 06, 2026 - 09:13 UTC

Investigating

Starknet Mainnet is currently not producing new blocks following a recent network-wide upgrade.

This is a chain-level condition affecting the Starknet network as a whole and is not isolated to Alchemy infrastructure.

We are actively coordinating with the Starknet team on mitigation steps and will share an update as soon as we have more information.

Posted Oct 06, 2026 - 08:52 UTC

This incident affected: Starknet.