Euler DeFi Protocol Exploited for Nearly $200M

Euler’s attackers used the loan to temporarily trick the protocol into falsely assuming it held a low amount of eToken, a collateral token issued by Euler based on whichever token is deposited on the protocol. A separate dToken, or debt token, is also issued by Euler such that an on-chain liquidation is automatically triggered when the amount of dTokens exceeds the eTokens held on the platform.

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