In response to a significant exploit, the AAVE token from the Aave DeFi platform is now accessible on the Solana blockchain, providing users with access to one of decentralized finance’s largest lending protocols without leaving the network. This development follows closely after the announcement by the Solana Foundation that it would invest part of its treasury into Aave. The initiative aims to mitigate the impact of the KelpDAO rsETH $292 million exploit and bolster confidence in decentralized lending markets.
Despite DeFi losing approximately $13 billion this month, efforts such as these highlight both the strengths and vulnerabilities within the sector. On April 25, Lily Liu, chair of the Solana Foundation, announced that it would lend USDT to Aave to aid recovery from the exploit, which had exposed major DeFi protocols to significant risks related to unbacked collateral and liquidity. This unprecedented cross-chain intervention by Solana marks a novel approach in supporting a protocol more traditionally linked with Ethereum and its layer-2 networks.
The April 18 exploit began with KelpDAO’s rsETH liquid restaking token, where attackers exploited vulnerabilities within the LayerZero bridge configuration to redeem unbacked tokens on Ethereum. They then used these assets as collateral across Aave, Compound, and Euler to borrow approximately $292 million in ETH and other assets, causing a liquidity crisis particularly affecting Aave’s lending markets.
The rapid withdrawal by platform users led to WETH utilization reaching 100% almost immediately following the exploit. Galaxy Research explained that at full utilization, Aave’s design prevents withdrawals due to lack of idle liquidity, leading to delays for those withdrawing later until new supply or repayments are made available.
Oak Research noted a consequent 17% decrease in total value locked in DeFi, with Aave experiencing over $12 billion in outflows. The liquidity issue highlighted how lending protocols could import risks from external infrastructure despite functioning as intended. This situation demonstrated the interconnectedness of collateral quality and liquidity within these systems.
In response, Aave and KelpDAO established DeFi United to replenish rsETH reserves and restore affected users’ assets. With nearly $240 million committed by various major DeFi participants, Oak Research emphasized that the success of this recovery effort was largely due to Aave’s systemic importance in the DeFi lending sector.
Solana’s involvement is significant as it supports a broader industry initiative aimed at restoring confidence in DeFi’s largest lending platforms. This move also strategically positions Solana by enhancing cross-chain liquidity and offering users additional access points. However, governance issues remain unresolved, with Aave tokenholders needing to balance the use of treasury assets against potential reputational risks.
This incident underscores that collateral standards, bridge design, and protocol risk controls are now intertwined challenges within DeFi.