# ZKSync Mainnet- Block Finalization Stalled

- Provider: [Alchemy](https://down.guide/alchemy)
- Level: confirmed
- Impact: Degraded
- lasted 1d 4h
- started 2026-05-25 08:30 UTC
- ZKsync
- id: DWN-5479a26ef6
- Official page: https://stspg.io/pgjrjtmmz8ft

## Updates from Alchemy
### 2026-05-25 08:30 UTC: investigating
We are currently investigating an issue affecting ZKSync Mainnet where block finalization has stalled. This appears to be an upstream issue with the ZKSync network. We are actively monitoring the situation and have engaged the ZKSync team. We will provide updates as the investigation progresses.

### 2026-05-26 12:57 UTC: resolved
This incident has been resolved.

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