zkLink Nova Goes Offline After Hacker Steals More Than $780,000 From Its Bridge

zkLink Nova , a crypto network built by the zkLink team, has stopped producing blocks after an attacker pulled more than $780,000 out of the bridge that links it to Ethereum on Wednesday evening. In a Thursday morning update , zkLink said it had also rushed out fixes to the affected contracts and temporarily switched off withdrawals while engineers review every related component. “zkLink Nova services will only be restored after we have fully confirmed that all risks have been eliminated,” the team wrote on X . It gave no timeline, no loss figure and no cause. Four hours earlier, zkLink acknowledged the attack, saying it targeted Nova’s Arbitrator contract on both Ethereum and Optimism, and asked whoever was responsible to stop and send the money back.

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