Executor wallets belonging to the LayerZero protocol were compromised, according to blockchain security firm PeckShield, citing data from Specter. The attacker stole a total of $2.4M in crypto assets, carrying out the theft across multiple networks simultaneously. Transfers from the affected addresses took place within a two-hour window.
The stolen funds were then bridged to Ethereum, where the attacker exchanged most of the assets for 956 ETH worth $1.79M. The remaining funds were converted into $322,000 in USDC.
Scope of the Attack
The stolen funds came from Ethereum, BNB Chain, Base, Arbitrum, Avalanche, Optimism, Mantle, and Plasma. On-chain tracking data also adds Polygon, Linea, Unichain, Sonic, opBNB, and Gnosis to the list of affected networks.
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The biggest losses came from Base, where the attacker withdrew 100 ETH worth nearly $188,000, and Arbitrum, where another 90 ETH worth $169,000 was stolen. More than 200 BNB was drained from BNB Chain, while 500,000 POL worth approximately $42,000 was taken from Polygon. The attacker also withdrew 3,000 AVAX worth $20,000 from Avalanche. The remaining networks each accounted for losses of between $13,000 and $50,000.
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