[zkLink Nova Suffers Contract Attack; Team Offers 20% White Hat Bounty] On October 29th, zkLink announced that its Arbitrator contract, deployed on Ethereum and Optimism, is under continuous attack. The technical team is taking measures to control the situation. zkLink appealed to attackers to stop exploiting the vulnerability and return the funds, promising a 20% white hat bounty and waiving further liability if the funds are returned. The specific amount of the losses has not yet been disclosed.