# \[Network-Wide\] Arbitrum Sepolia Stalled

- Provider: [Alchemy](https://down.guide/alchemy)
- Level: confirmed
- Impact: Degraded
- lasted 5h 5m
- started 2026-03-23 16:45 UTC
- Arbitrum
- id: DWN-f7a60ef968
- Official page: https://stspg.io/t5n51b6m73fh

## Updates from Alchemy
### 2026-03-23 16:45 UTC: investigating
Arbitrum Sepolia is currently experiencing a network-wide stall. All services that rely on network progress are impacted. We are working closely with the Arbitrum team to resolve this as quickly as possible

### 2026-03-23 18:09 UTC: investigating
We are continuing to investigate this issue.

### 2026-03-23 20:11 UTC: identified
A bug in Nitro software caused a block divergence on Arbitrum Sepolia, leading to block production being halted as a precaution. This issue is affecting all Arbitrum Orbit rollups that depend on the same Nitro version.
Other Impacted networks:
Anime Sepolia
ApeChain Curtis
Mind Testnet
Edge Testnet
EARNM Testnet
Additional Arbitrum-based rollups may also be affected
No user funds are at risk.
The team is actively working on an infrastructure update and a new Nitro release to restore block production.

### 2026-03-23 21:50 UTC: resolved
This incident has been resolved.

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