Base Network Stalls After Invalid Block Freezes Sequencer

Coinbase’s Base mainnet went down for nearly two hours Thursday after a faulty block froze the chain’s sequencer and halted all new block production. What Happened The incident began at 16:03 UTC on June 25, 2026, when Base engineers detected unhealthy block production on the network’s mainnet. By 16:52 UTC, the team had identified the […]