zkLink said it has confirmed an ongoing attack targeting the Arbitrator contracts tied to its aggregated Layer 3 network, zkLink Nova, on Ethereum and Optimism. The team said it is working urgently to contain the situation and prevent additional losses, and that it will provide further updates to the community.
The project also called on the party involved to stop exploiting zkLink Nova contracts across chains and return the affected funds. zkLink said it is prepared to offer a 20% white-hat bounty if the funds are returned, adding that it will not pursue the matter after repayment.
Security firm Blockaid had earlier said the attacker injected forged batch roots on Ethereum through a public relayer, then withdrew ETH and ERC-20 tokens from zkLink Nova’s L1 custody contract. At that time, combined losses from the L1 ETH custody and ERC-20 bridge were about $786,000, and the attack was still ongoing.
zkLink said it has confirmed an ongoing attack on the Arbitrator contracts for its aggregated Layer 3 network, zkLink Nova, on Ethereum and Optimism.
The company said its technical team is working urgently to contain the incident and prevent further losses, and that it will update the community as more information becomes available.
zkLink also called on the party involved to stop any further exploitation of zkLink Nova contracts across chains and return the affected funds. The project said it is prepared to offer a 20% white-hat bounty if the funds are returned, and that it will not pursue the matter after repayment.
Security firm Blockaid had previously said the attacker injected forged batch roots on Ethereum through a public relayer, then withdrew ETH and ERC-20 tokens from zkLink Nova’s L1 custody contract. At that time, combined losses tied to the L1 ETH custody and ERC-20 bridge were about $786,000, and the attack was still ongoing.
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