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/2022-08/NomadBridge_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
The cross-chain token bridge Nomad was exploited Monday, with attackers draining the protocol of virtually all of its funds. The total value of cryptocurrency lost to the attack totaled near $200 million. Reported loss: $200,000,000.
Primary source
https://www.coindesk.com/tech/2022/08/02/nomad-bridge-drained-of-nearly-200-million-in-exploit/ ↗Sourced from
chainsec
Technical record
- chain
- multichain
- protocol
- Nomad Bridge
- bug_class
- unknown
- date_occurred
- 2022-08-02
- loss_usd
- $200,000,000
- source_id
- cs:nomad-bridge::2022-08-02
Related — same bug class