Aave endured a $8.45 billion withdrawal wave during the rsETH crisis, reigniting debates over DeFi's risk management capabilities.

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Mars Finance News, June 19 — After the KelpDAO rsETH cross-chain bridge was attacked in April 2026, Aave experienced approximately $8.45 billion in fund withdrawals, but the core protocol functions remained unaffected, successfully completing one of the largest liquidity stress tests in DeFi to date.
This crisis was triggered by an attack on KelpDAO's LayerZero cross-chain bridge, resulting in the theft of about $292 million worth of rsETH, raising concerns about the collateral value and solvency of rsETH.
Since rsETH is widely used as collateral in protocols like Aave, the risk quickly spread, leading to concentrated withdrawals by users, with some markets reaching 100% utilization, and some users unable to withdraw funds immediately.
In response to liquidity pressure, Aave’s risk management team activated emergency freeze and parameter adjustment mechanisms to limit risk propagation.
Aave founder Stani Kulechov regarded this incident as a sign of increased maturity in DeFi, believing that the protocol continued to operate as designed under extreme stress, demonstrating the resilience of an on-chain transparent, rule-based system.
However, several independent analysts pointed out that while Aave avoided systemic collapse, the event exposed ongoing risks in DeFi lending systems, including concentration risk, liquidity risk, and contagion risk due to high interconnectedness among protocols.
The behavior of large borrowers could have an impact on the entire system’s stability that exceeds model expectations.
Aave currently employs multiple protective measures such as Loan-to-Value (LTV) limits, liquidation thresholds, supply caps, borrowing caps, Isolation Mode, E-Mode, and governance mechanisms to control risk.
These mechanisms played a role in this crisis overall, but observers believe that governance response speed and risk models still need further optimization to better handle future unknown systemic shocks.
Analysts believe that this incident shows DeFi protocols can withstand large-scale runs without external aid, but a single stress test cannot fully prove system security.
As composability among protocols continues to increase, an issue with an external asset or cross-chain bridge could quickly escalate into a liquidity crisis across the entire ecosystem.
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