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Renzo Protocol is an Ethereum liquid restaking protocol that issues ezETH, serving as an interface to the EigenLayer ecosystem. In April 2024, ezETH suffered a severe depeg event — dropping as low as $700 in under one hour — triggered by an unpopular REZ tokenomics announcement that concentrated approximately 65% of supply with insiders and investors. The event caused over $56 million in DeFi liquidations affecting more than 250 users, and the REZ token has since lost approximately 97% of its all-time high value.

Pendle is a permissionless yield-trading protocol on Ethereum, launched in 2021 by TN Lee and Vu Nguyen, that allows users to separate and trade the principal and yield components of yield-bearing assets. In September 2024, Penpie — an independent yield optimizer built on top of Pendle — suffered a $27 million reentrancy exploit that was made possible in part by Pendle's permissionless market creation design. Although Pendle's own contracts were not directly exploited, the protocol's architecture contributed to the attack surface, and all 11,261 ETH in stolen funds were subsequently laundered through Tornado Cash.