Prysm reported validators lost 382 ETH (more than $1 million) after a software bug caused disruptions soon after the Fusaka upgrade. The issue led to missed attestations and penalties for affected validators.
A Prysm consensus client incident knocked roughly 23% of Ethereum validators offline; the Ethereum Foundation urged Prysm users to reconfigure their consensus layer nodes. Vitalik Buterin called for calm and emphasized faster patching and client diversity to reduce systemic risk.