Base Explains Network Disruption: Sequencer Glitch Led To 33-Minute Block Production Halt

Description

Base, the Ethereum Layer-2 solution developed by Coinbase, experienced a 33-minute network disruption that halted block production on its Mainnet. The outage occurred on August 5, 2025, and was caused by unexpected on-chain congestion combined with an unprepared backup sequencer. While Base is designed with high availability in mind—featuring multiple sequencer instances managed by Conductor (an OP Stack component)—a critical handoff failure required manual intervention to resume operations. Thi...