YO protocol (@yield) was reported to suffer a bizarre swap on #Ethereum: ~$3.84M stkGHO ended up as only ~$122K USDC. The team has taken actions including buying GHO and re-depositing stkGHO into the vault.
Our investigation suggests the discrepancy may have resulted from two compounding factors:
1. Bad output quote by the initiator, which effectively disabled slippage protection.
2. Abnormal routing via executePath parameters. The paths passed into executePath routed the swap through pools with extremely high fee tiers and very thin liquidity, leading to massive fee extraction and severe price impact.
https://app.blocksec.com/explorer/tx/eth/0x6aff59e800dc219ff0d1614b3dc512e7a07159197b2a6a26969a9ca25c3e33b4…

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据报道，YO协议（@yield）在以太坊上遭遇了一次离奇的代币互换：价值约384万美元的stkGHO最终只变成了价值约12.2万美元的USDC。团队已采取措施，包括购买GHO并将stkGHO重新存入金库。
我们的调查显示，这种差异可能是由两个相互交织的因素造成的：
1. 发起方输出报价错误，导致滑移保护失效。
2. executePath 参数导致异常路由。传递给 executePath 的路径将交易路由到手续费极高、流动性极低的资金池，导致巨额手续费被抽取，并对价格造成严重冲击。
https://app.blocksec.com/explorer/tx/eth/0x6aff59e800dc219ff0d1614b3dc512e7a07159197b2a6a26969a9ca25c3e33b4…

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