Current answer
Quicknode experienced a minor incident: ZkSync Sepolia Network Stall at 8,335,793. ServiceAlert observed recovery on Aug 30, 2026.
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Incident Lifecycle
Affected Components
Testnet — JSON-RPC API
Testnet — Websockets API
Testnet — Streams
Testnet — Webhooks
Incident Timeline
Investigating
We are continuing to investigate a network-wide stall at block height 8,335,793. As this is affecting the entire network, we're currently waiting on guidance from the foundation before proceeding. We'll provide updates as soon as more information becomes available.
Aug 30, 2026 at 1:57 PM UTC
Investigating
We are currently investigating a network wide stall at block height 8,335,793.
Aug 29, 2026 at 9:59 PM UTC
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