In response to a $292 million exploit that has left a substantial collateral shortfall in decentralized finance (DeFi) markets, Aave and several prominent crypto companies have collaborated on a recovery effort. Dubbed 'DeFi United', the initiative, led by Aave service providers, aims to restore the backing of rsETH, a yield-bearing ether (ETH) derivative token at the center of the exploit. Aave has announced that multiple participants have already committed to supporting the effort, with staking provider Lido Finance and EtherFi being among the first to offer aid.
Lido Labs Foundation, an ecosystem contributor to Lido Finance, has proposed allocating up to 2,500 stETH, valued at approximately $5.7 million, to a dedicated relief fund. The funds will be utilized to reduce the rsETH backing shortfall and help prevent forced liquidations across lending markets. Additionally, EtherFi has proposed a 5,000 ETH plan to 'protect users and prevent bad debt' across DeFi, while Stani Kulechov, Aave's founder, has also pledged 5,000 ETH.
According to Kulechov, 'Aave is my life's work, and we are working tirelessly to achieve the best possible outcome for users.' Further commitments are expected to be announced once formalized. The initiative follows the largest crypto exploit of the year, which has significantly impacted DeFi lending markets.
The incident occurred due to a vulnerability in KelpDAO's integration with LayerZero, where an attacker minted 116,500 unbacked rsETH tokens by exploiting the bridge's messaging system. Instead of selling the tokens, the attacker deposited nearly 90,000 rsETH into Aave as collateral, borrowing approximately $190 million in ETH and other assets across Ethereum and Arbitrum.
This has left Aave with impaired collateral, triggering a rush of deposit withdrawals and a $10 billion plunge in the total value of assets on the platform. The estimated total shortfall is over 112,000 rsETH, according to Aave's incident report. Prior to the DeFi United initiative, there have been some early containment efforts, including the freezing of 30,766 ETH, worth roughly $71 million, by Arbitrum's security council. However, the remaining stolen funds were bridged and swapped into bitcoin via Thorchain, making recovery more complex.
The current effort focuses on stabilizing the system through a coordinated bailout to recapitalize rsETH and mitigate losses, rather than attempting to recover the stolen funds.