Crypto Coalition Unveils Technical Proposal to Mitigate Aave Token Exploit

Typically, a $300 million shortfall doesn't come with a straightforward solution. However, the group leading the Kelp DAO recovery effort is attempting to devise one. DeFi United, a coalition comprising multiple blockchain projects and crypto ecosystem individuals, has put forth a detailed proposal to restore the backing of rsETH after this month's Kelp DAO hack disrupted DeFi lending markets, resulting in the release of over 116,000 unaccounted-for tokens. The proposal, shared on Aave's official X account, resembles a coordinated cleanup operation, relying heavily on Aave's infrastructure to undo the damage and stabilize the markets. The incident originated on April 18, when an attacker exploited a vulnerability in rsETH's bridge, forging a message that appeared legitimate and tricking the Ethereum side of the system into releasing 116,500 rsETH, creating a large batch of rsETH without backing. These tokens were then dispersed across multiple wallets and deployed throughout DeFi, with a substantial portion used as collateral on Aave and other lending platforms. This is where the issue became systemic: protocols like Aave found themselves holding collateral that was, at least temporarily, not fully backed. According to the proposal, most of the exploited funds remain active, with approximately 107,000 of the original 116,500 rsETH still tied up in active positions across Aave and Compound. This presents two problems to be solved simultaneously: restoring the actual backing of rsETH and unwinding the loans created using those extra tokens. DeFi United's proposal aims to address both aspects of the equation. On the backing side, the group claims to have secured enough ETH commitments to fully re-collateralize rsETH, planning to feed that ETH back into the system in stages, converting it to rsETH, and depositing it back into the system so the token is once again fully backed. At the same time, attention turns to the lending markets where the damage is most apparent. Rather than allowing the situation to unfold chaotically, the plan involves carefully unwinding the mess. A significant part of this process involves dealing with the positions the attacker opened on Aave, which are essentially loans backed by rsETH that should not have existed in the first place. Instead of waiting for those loans to collapse on their own, which could cause further market disruption, the proposal suggests intervening to enable those bad positions to be closed out in a more controlled manner. In practice, temporarily adjusting how rsETH is valued within the system will facilitate the smooth liquidation or closure of those positions. As those positions are unwound, the underlying assets, such as ETH, can be recovered. The proposal estimates that this could free up around 13,000 ETH from Aave alone. Once that collateral is recovered, it will be converted into ETH and used to cover the shortfall created by the exploit, effectively filling the hole left behind. The process is not without risk, as it hinges on governance approvals across multiple chains, the successful deployment of committed funds, and a smooth execution of the unwind. Nevertheless, the plan represents a more coordinated response than DeFi has often managed previously. If executed as intended, the ultimate goal is straightforward: 'rsETH backing is fully restored, and all affected markets are stabilized,' as stated in the proposal.