BiFi Lending USDT market exploit on Ethereum (2026-10-17): ~$165.4K drained via idle-market interest re-accrual
- Scam type: Hack
- Chain: EVM (Ethereum, BNB Chain, Base and other EVM chains)
- Project or site name: BiFi Lending
- Incident date: 2026-10-17
- Reported: 2026-10-18
- Last updated: 2026-10-18
BiFi Lending's USDT market on Ethereum lost about $165.4K (about 165.6K USDT) when a flash-loan-funded transaction re-applied about 36 days of stored idle interest many times inside one block. This report lists the exploit transaction's sender and the bot contract that ran it. Source: DefimonAlerts on X, 2026-10-18 07:45 UTC (https://x.com/DefimonAlerts/status/2111725425554571750); oculr exploit report "Interest Accounting Exploit on BiFi results in $165.4K worth of USDT being stolen" (https://www.oculr.xyz/reports/bifi-exploit-2026-10-18). What happened: BiFi's USDT market had been idle for…
Other addresses in this report: 0xc0ffeebabe5d496b2dde509f9fa189c25cf29671