VERDICT —UNRATED
Verdict pending. Auto-ingested incidents are reviewed before a public verdict is rendered.
▰ METHOD
Undisclosed
Root cause
Root-cause analysis not yet published. The incident description below contains all currently available signal — review the attack transaction directly for definitive forensics.
▰ PROOF OF CONCEPT
DEFIHACKLABS
src/test/2021-11/Mono_exp.sol
view forked test on github ↗Reproducible Foundry test fork from SunWeb3Sec/DeFiHackLabs. Clone the repo, run forge test against the file path above, and replay the exploit against a mainnet fork at the historical block. Use for reproduction only — not for live targets.
Forensic narrative
Decentralized finance (DeFi) lending protocol bZx was compromised for $55 million today, in what is becoming a recurring theme. Reported loss: $31,000,000.
Primary source
https://www.theblockcrypto.com/linked/125780/31-million-stolen-from-monox-on-polygon-and-ethereum-in-latest-defi-hack ↗Sourced from
chainsec
Technical record
- chain
- —
- protocol
- MonoX
- bug_class
- unknown
- date_occurred
- 2021-11-30
- loss_usd
- $31,000,000
- source_id
- cs:monox::2021-11-30
Related — same bug class