mediumLogic errorEVM-Solidity
Notional Exponent: Incompatibility of `ERC20::approve` function with USDT tokens on Ethereum Mainnet chain
- Payout
- $0
- Protocol
- Notional Exponent
- Disclosed
- Jul 18, 2025
- Source
- sherlock
Notional Exponent's lending routers and staking modules invoke `ERC20::approve` through an OpenZeppelin-style interface that expects a boolean return value, but Tether's USDT on Ethereum Mainnet — an explicitly supported asset per the protocol README — impleme …
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References
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