In the aftermath of a significant $292 million exploit, Aave and several prominent cryptocurrency firms have initiated a collaborative effort to stabilize the decentralized finance (DeFi) market. The initiative, known as 'DeFi United', aims to restore the collateral backing of rsETH, an ether (ETH) yield-bearing derivative token central to the exploit. Aave has stated that multiple participants have already committed to supporting this effort. Lido Finance's ecosystem contributor, Lido Labs Foundation, was among the first to propose allocating up to 2,500 stETH, valued at approximately $5.7 million, into a dedicated relief fund.
The primary goal of these funds is to reduce the shortfall in rsETH backing and prevent forced liquidations across lending markets. This was followed by EtherFi's proposal of a 5,000 ETH plan designed to protect users and prevent bad debt across DeFi. Aave's founder, Stani Kulechov, has also pledged a 5,000 ETH contribution, emphasizing his commitment to finding the best possible outcome for users and normalizing market conditions as soon as possible.
The initiative comes in response to the largest cryptocurrency exploit of the year, which has significantly impacted DeFi lending markets. The exploit was traced back to a vulnerability in KelpDAO's integration with LayerZero, allowing an attacker to mint 116,500 unbacked rsETH tokens.
Instead of selling these tokens, the attacker used nearly 90,000 rsETH as collateral on Aave, borrowing approximately $190 million in ETH and other assets. This resulted in Aave having 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 stands at over 112,000 rsETH, according to Aave's incident report. Prior to the DeFi United initiative, early containment efforts included Arbitrum's security council freezing 30,766 ETH, worth around $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 mitigate losses, rather than attempting to recover the stolen funds.