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

zkLink, the team behind Nova, said Thursday it had halted the network, patched the affected contracts and switched off withdrawals, after security firms said an attacker faked withdrawal approvals to drain funds from its bridge to Ethereum. 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.