New Incident Management + Host Exposure Scanning — Shipped April 12
Services Pricing Dashboard

[Network-Wide] Arbitrum Sepolia Stalled

Minor Impact Identified Ongoing March 23, 2026

Incident Lifecycle

Investigating Investigating Identified

Incident Timeline

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 p...
Mar 23, 2026 at 8:11 PM UTC
Investigating
We are continuing to investigate this issue.
Mar 23, 2026 at 6:09 PM 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
Mar 23, 2026 at 5:45 PM UTC
Was your business affected by this Alchemy outage?
Set up instant alerts for Alchemy, be the first to know about outages via email, Slack, Teams, or Discord.