MetaMask Retires Ethereum Validators Following Security Incident

MetaMask has begun decommissioning Ethereum validators affected by a security incident within its staking infrastructure. The company stated the move is a preventive measure and does not indicate a threat to user wallets. Security researcher Kaden identified that 18 validators had their block production rewards diverted to an unauthorized address, resulting in a loss of approximately 0.36 ETH. While the diverted amount is small, the incident highlights potential risks to signing credentials. Lido confirmed that MetaMask-operated validators are exiting its system, with the process expected to conclude by October 7. Re-entry into the staking queue could take up to 45 days.