BiFi lending: ≈$165K from idle USDT interest accounting; most returned by white-hat MEV
18 Oct 2026: Defimon reports about $165K taken from BiFi's Ethereum USDT lending market after interest accounting mishandled a long idle gap (~36 days).
eth) front-ran the extraction; AMLBot says about 159K USDC was returned to the market contract. No BiFi post-mortem found in this pass. Firm: Defimon. Research snapshot from Defimon, AMLBot, and Oculr.
369 take
Idle markets can still break. Most of this one was clawed back by a white-hat bot per AMLBot. Wait for BiFi's own write-up before treating residual ~$6K as settled.
Sources