MetaMask Begins Validator Exits After Staking Infrastructure Incident

• MetaMask began validator exits after an incident affecting staking infrastructure.
• Lido expects exits by October 7, while the full process could take about 45 days.
• Lido says stETH holders need no action; its reserve fund holds over 6,750 stETH.

MetaMask has begun exiting affected Ethereum validators after identifying a security incident involving part of its infrastructure, coordinating the response with Lido Finance, clients and security advisers. The company said it had identified no immediate threat to MetaMask wallets, while Lido expects the affected validators to complete their exits by October 7, 2026.

The response centers on MetaMask’s non-custodial staking operations. For stETH holders, Lido said no action is required as the protocol manages the return of ETH from the affected validators.

Validator Exits Start as Lido Sets Timeline

In a September 3…

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