Two major Ethereum layer-2 networks, Linea and Polygon, experienced operational setbacks on Sept. 10, adding to concerns about the reliability of scaling solutions.The incidents come around a week after Starknet, another Ethereum layer-2 network, suffered a four-hour outage, underlining the challenges of keeping rollup systems consistently online.

Two major Ethereum layer-2 networks, Linea and Polygon, each experienced separate operational problems on Sept. 10, drawing renewed attention to the reliability of rollup-based scaling systems. Linea suffered a nearly hour-long pause in block production tied to reduced performance in its mainnet sequencer, while Polygon reported a temporary delay in finality caused by a bug affecting its Bor and Erigon nodes and some RPC services. For Linea, the disruption occurred just before its LINEA token claim window, adding sensitivity to an already high-profile moment for the Consensys-backed network. Polygon said the chain itself kept producing blocks and checkpoints during the incident, but finality was delayed until a fix was deployed across the validator network; reporting from Polygon’s spokesperson and status updates framed the issue as a consensus-layer or node-software problem rather than a full chain halt. The incidents followed a separate Starknet outage the prior week, reinforcing concerns that even widely used Ethereum scaling networks can still suffer from downtime, sequencing issues, or delays in reaching finality.

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• Polygon zkEVM Resumes Operation Following Major Outage (thedefiant.io)

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