<ul><li>Unknown attacker causes further delay in the launch of Ethereum Pectra Upgrade on the mainnet.</li><li>Attacker exploits the upgrade on Sepolia mainnet by sending zero-token transfers, resulting in empty block mining.</li><li>Developers identify the issue with the deposit contract emitting unexpected transfer events instead of deposit events.</li><li>Launch of Pectra Upgrade on the mainnet is further delayed for testing and debugging following the attack.</li></ul>

Unknown Attack on Pectra Upgrade Further Delays Launch on Mainnet

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