Arbitrum Seizes $71 Million in Ether Linked to Kelp DAO Exploit

A significant portion of the Kelp DAO funds is now inaccessible. Arbitrum's Security Council has frozen approximately $71 million worth of ether, totaling 30,766 ETH, which was linked to the $292 million rsETH exploit that occurred on Saturday. This frozen amount has been transferred to an intermediary wallet, which can only be accessed through additional Arbitrum governance measures. The rsETH token, issued by KelpDAO, represents a user's stake in restaked ether. In response to the exploit, the Arbitrum Security Council took emergency action, with input from law enforcement regarding the exploiter's identity, to freeze the funds without impacting any Arbitrum users or applications. The transfer was completed at 11:26 p.m. ET on April 20. This move has recovered about a quarter of the total amount stolen from Kelp's LayerZero-powered bridge on Saturday, when attackers exploited compromised verifier infrastructure to pull 116,500 rsETH. The stolen funds are no longer under the control of the original address. Arbitrum, a layer-2 blockchain, has a Security Council with emergency powers to take protective action in such scenarios. However, interventions on user funds at the governance level are rare and controversial due to the introduction of discretionary control over an otherwise permissionless network. The freeze provides Kelp with a partial recovery option, in addition to any potential recoveries by law enforcement and chain-tracing firms. This development also escalates the ongoing dispute between Kelp and LayerZero over who bears responsibility for the exploit, as any broader socialization of remaining losses now has a $71 million offset. Kelp is coordinating with ecosystem partners on a recovery fund and weighing next steps, while LayerZero has not publicly commented on the Arbitrum freeze. The potential for freezing additional stolen funds depends on the attacker's movements of rsETH or its derivatives and whether other chains with similar emergency powers choose to act.