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ZKsync confirmed that the hacker cooperated and returned the funds within the “safe harbor” deadline, claimed the 10% bounty, and no further action will be taken against the attacker
ZKsync's security team reported on April 15 that a hacker compromised an admin account controlling approximately $5 million worth of unclaimed ZK tokens from the ZKsync airdrop
ZK Nation, the decentralized community governing the ZKsync protocol, recovered $5 million in stolen tokens on April 23th after the attacker accepted a 10% bounty for returning the funds taken during a hack earlier this month
ZKsync, developed by Matter Labs as a Layer 2 solution on Ethereum, launched its token airdrop last June with a total supply of 21 billion tokens
ZKsync’s Security Council issued an on-chain message offering the hacker a 10% bounty for returning 90% of the stolen funds within 72 hours and warned of a criminal investigation if the offer was not accepted

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Hacker returns $5 M to ZKsync following bounty deal

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