4SpeculativeNewJun 26, 2026
Coinbase-Incubated Base L2 Suffers Two-Hour Consensus Halt
Coinbase-incubated Base Layer 2 network experienced a two-hour consensus halt that interrupted block production before operations resumed. The chain stall was identified as a reliability incident for the Ethereum Layer 2 infrastructure.
Story timeline · 2 days
- Jun 28, 20264Base Layer 2 Sequencer Bug Post-Mortem Published After Two-Hour Outage
Base published a full post-mortem identifying a sequencer block construction logic vulnerability as the root cause of the prior two-hour chain halt; user funds confirmed safe.
- Jun 26, 20264· this storyCoinbase-Incubated Base L2 Suffers Two-Hour Consensus Halt