CRITICALEthereum·Math Mistake Exploit·#22 all-time

Compound V2

$147.0M stolenWednesday, September 29, 2021 · 1762 days ago

Situation Summary

9/29/2021 — EXPLOIT DETECTED

$147.0M drained from Compound V2 on Ethereum.

TECHNIQUE: MATH MISTAKE EXPLOIT

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Data: DefiLlama · Monitoring Room

Source: DefiLlama · 600 recorded incidents · data as of 2026-07-27 02:04 UTC