Arbitrum Sepolia: Block progression stalled

Incident Report for Quicknode

Resolved

This incident has been resolved.

Posted Mar 23, 2026 - 22:20 UTC

Monitoring

A fix has been implemented and we are monitoring the results.

Posted Mar 23, 2026 - 22:10 UTC

Investigating

We are investigating reports that Arbitrum Sepolia is stalled at block height 252,909,123 and may not be progressing normally. The Arbitrum foundation team is actively looking into the issue, and we are monitoring closely while coordinating updates. Customers may see stale “latest block” data until block production resumes.

Posted Mar 23, 2026 - 17:17 UTC

This incident affected: Arbitrum (Arbitrum - Sepolia).