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[Prysm Releases Mainnet Incident Report: Resource Exhaustion Causes Validators to Lose Approximately 382 ETH] The Prysm team released a report stating that on December 4, the Ethereum mainnet Prysm nodes experienced resource exhaustion due to processing specific attestations, resulting in the loss of 248 blocks across 42 epochs, with a missing rate of approximately 18.5%. Network participation temporarily dropped to 75%, and validators lost approximately 382 ETH. The root cause was Prysm repeatedly replaying old states to verify attestations from unsynchronized nodes. The issue gradually eased after December 4 at 12:45 (UTC+8), and the fixes have been included in versions v7.0.1 and v7.1.0.

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