MetaMask Exits Ethereum Validators After Security Incident

MetaMask, a popular cryptocurrency wallet provider, is pulling its Ethereum staking systems out of service after a security incident. The incident diverted an estimated 0.36 ETH in block-production payments, with researcher Kaden estimating that about 17,000 validators holding roughly 523,000 ETH were being withdrawn.

MetaMask has not confirmed those figures or explained how its systems were compromised, but the company has stated that it has found no immediate threat to users' wallets. The affected validators could miss rewards during an exit and re-entry process lasting up to about 45 days, while stETH holders do not need to take action.

Lido, a service that pools users' ETH for staking, said that MetaMask-operated validators had begun leaving its system, with the last expected to stop staking by October 7. Withdrawal of the coins and re-entry into staking could take up to 45 days due to the queue to enter Ethereum's staking system.