<ul><li>The Sepolia testnet, an Ethereum testnet, experienced an attack after the Pectra upgrade.</li><li>Ethereum developers implemented a private fix to prevent further damage from the attacker.</li><li>The attack was triggered by missed edge cases in the ERC20 contract during the Pectra deployment.</li><li>All nodes were updated with the actual fix to resolve the issue, and finalization was not lost during the incident.</li></ul>

Ethereum Testnet Sepolia Experiences Attack During Pectra Upgrade

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