DeFi Sector Loses $13 Billion in Two Days Following KelpDAO Security Breach

A significant amount of capital has been withdrawn from the decentralized finance sector after a major exploit of the KelpDAO protocol over the weekend. A leading DeFi lending platform, Aave, has seen a substantial decline of $8.45 billion in deposits over the past 48 hours, contributing to a broader decline of $13.21 billion in total value locked across DeFi. The total value locked, which measures the combined dollar value of crypto assets deposited across DeFi protocols, dropped from $99.497 billion to $86.286 billion. Aave's TVL alone decreased by $8.45 billion to $17.947 billion during the same period, as per data from DefiLlama. Data at the protocol level reveals double-digit percentage drops across multiple platforms, including Euler, Sentora, and Aave, with the majority of losses concentrated in lending, restaking, and yield strategies tied to the affected collateral. The exploit, which involved a $292 million theft from Kelp's bridge, allowed attackers to misuse stolen rsETH, a widely used liquid re-staking token in DeFi, as collateral to borrow funds from lending platforms. Since these stolen tokens lacked legitimate collateral backing, borrowing against them created potential shortfalls for lenders, similar to deceiving a traditional bank by depositing fake fiat and taking out loans against it, ultimately leaving the lender with bad debt. In response, protocols froze the affected markets, while panicked users withdrew their funds, resulting in a broad decline in total value locked. However, token prices have not declined as sharply as deposits, with the AAVE token down approximately 2.5% over 24 hours, and UNI and LINK down less than 1% over the same period, according to CoinDesk market data. Peter Chung, head of research at Presto Research, noted that the incident highlights the risks associated with cross-chain infrastructure, particularly in the verification systems used by bridges. Preliminary analysis suggests that the issue may have originated in the verification layer rather than in the smart contracts themselves. Chung added that the episode demonstrates how interconnected DeFi protocols can transmit shocks beyond the initial point of failure, with withdrawal activity and market freezes extending to platforms without direct exposure to the exploit.