According to Foresight News, ZK Nation tweeted that the hacker has cooperated and returned the $5 million stolen from ZKsync within the specified deadline. As stated in the council's message, the incident is now considered resolved. These assets are currently in the custody of the council, and a decision on how to handle them will be made through governance voting. The final investigation report is being prepared and will be published upon completion.
In a previous report by Foresight News, ZKsync stated that its security team confirmed a token airdrop administrator account was compromised, resulting in the theft of $5 million in ZK tokens (specifically the unclaimed tokens from the ZKsync airdrop).