There were 2 Optimism outages since March 4, 2026. Each is summarised below — incident details, duration, and resolution information.
Type: Incident Duration: 1 hour and 2 minutes Affected Components: Transaction Sequencing Mar 4, 23:54:08 GMT+0 - Investigating - Due to an investigation of network bottlenecks the Flashblocks streaming websocket endpoints are temporarily unavailable. Mar 5, 00:55:49 GMT+0 - Resolved - This incident has been resolved.
Type: Incident Duration: 10 minutes Affected Components: Batch Submission, Public API, Withdrawals, , Deposits, Transaction Sequencing, Node Sync, Mainnet → Mar 4, 23:04:00 GMT+0 - Investigating - OP Mainnet has been observed to have various issues within its internal components causing delayed block building and sporadic chain stalls. We're investigating the incident. Mar 4, 23:10:00 GMT+0 - Monitoring - We implemented a fix and are currently monitoring the result. Mar 4, 23:14:00 GMT+0 - Resolved - This incident has been resolved, signified by the restored stable chain progression. Mar 4, 23:07:00 GMT+0 - Identified - The incident's root cause has been identified to be the problems with the networking infrastructure backing the communication between various critical block building components. We are continuing to work on a fix for this incident.
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