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Coinbase's Base blockchain halted block production for roughly two hours on Thursday after a consensus problem brought the layer-2 network offline, the project confirmed.
Block production subsequently resumed, though the disruption marked one of the more significant operational interruptions the network has faced.
What Went Wrong Base attributed the outage to a consensus failure — the class of fault in which nodes operating a blockchain cannot agree on the canonical state of the chain and, rather than producing potentially invalid blocks, stop producing blocks altogether.
That mechanism is by design a safety feature, but it renders a network functionally unreachable for users and applications while the disagreement persists.
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