Trusted Editorial content, reviewed by leading industry experts and seasoned editors. Ad DisclosureBase, 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