In response to a $292 million exploit that has left a substantial collateral shortfall, Aave and several major cryptocurrency firms are spearheading a joint recovery effort to stabilize the decentralized finance (DeFi) market. The initiative, known as 'DeFi United', aims to restore the backing of rsETH, a yield-bearing ether (ETH) derivative token central to the exploit. Aave has announced that multiple participants have already pledged their support for the effort. Lido Finance was among the first to commit, with its ecosystem contributor Lido Labs Foundation proposing to allocate up to 2,500 stETH, valued at approximately $5.7 million, into a dedicated relief fund.
This allocation is intended to reduce the rsETH backing shortfall and mitigate the risk of forced liquidations across lending markets. Following this, EtherFi proposed a plan involving 5,000 ETH to 'protect users and prevent bad debt' across DeFi. Aave's founder, Stani Kulechov, also offered a 5,000 ETH contribution, stating, 'Aave is my life's work, and we're working tirelessly to achieve the best possible outcome for our users. I am committed to resolving this issue and normalizing market conditions as soon as possible.' Aave plans to announce additional commitments as they are formalized.
The DeFi United initiative follows the largest crypto exploit of the year, which has significantly impacted DeFi lending markets. The incident originated from a vulnerability in KelpDAO's integration with LayerZero, where an attacker exploited the bridge's messaging system to mint 116,500 unbacked rsETH tokens.
Instead of selling these tokens, the attacker used nearly 90,000 rsETH as collateral on Aave, borrowing around $190 million in ETH and other assets across Ethereum and Arbitrum. This resulted in impaired collateral for Aave, triggering a rush of deposit withdrawals and a $10 billion decline in the total value of assets on the platform.
According to Aave's incident report, the estimated shortfall exceeds 112,000 rsETH. Prior to the DeFi United initiative, there were early containment efforts, including Arbitrum's security council freezing 30,766 ETH, valued at roughly $71 million, tied to the exploit. However, the remaining stolen funds were bridged and swapped into bitcoin via Thorchain, complicating recovery efforts. The current initiative focuses on stabilizing the system through a coordinated bailout to recapitalize rsETH and minimize losses, rather than attempting to recover the stolen funds.