DeFi | Leading Decentralized Lending Platform Sees a Sharp 20% TVL Drop After Kelp DAO Hack
Leading decentralized lending platform, AAVE, saw billions of dollars exit its ecosystem following a major exploit at liquid restaking protocol, Kelp DAO, underscoring structural risks in interconnected decentralized finance (DeFi) markets.
AAVE’s total value locked (TVL) fell by roughly $9 billion to $17.7 billion (as of April 20, 2026) in the days after the incident, according to data from DeFiLlama, as users rushed to withdraw funds amid concerns over collateral exposure.
The decline followed a roughly $292 million exploit of Kelp DAO’s rsETH token, one of the largest DeFi hacks of 2026, which triggered a broader liquidity shock across protocols integrated with the asset.
The attacker manipulated the protocol’s LayerZero-powered bridge siphoning nearly 18% of the token’s circulating supply.
Attackers minted or drained large amounts of rsETH and used the tokens as collateral within AAVE, leaving the lending protocol potentially exposed to an estimated $177 million to $200 million in bad debt, according to market estimates.
The fallout prompted AAVE to freeze markets tied to the affected token, while investors, particularly large holders, pulled liquidity, accelerating the decline in TVL, which dropped more than 20% from pre-hack levels.
The episode has reignited concerns about ‘composability’ in DeFi – the practice of integrating tokens and protocols across platforms – which can amplify risk when a single component fails.
Analysts say the scale of AAVE’s outflows, far exceeding the initial hack size, highlights how vulnerabilities in liquid restaking tokens can cascade through lending markets that accept them as collateral.
The Kelp DAO exploit, which involved suspicious cross-chain activity and prompted contract pauses during investigation, is now being viewed as a test case for how DeFi lenders manage collateral risk tied to increasingly complex token structures.
While AAVE itself was not directly hacked, the incident has triggered a broader reassessment of risk models across the sector with some developers and governance bodies expected to tighten rules around collateral eligibility in the wake of the losses.
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