VERDICT —UNRATED
Verdict pending. Auto-ingested incidents are reviewed before a public verdict is rendered.
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/2026-01/Truebit_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 blockchain verification protocol Truebit was suspected to have been hacked, losing 8,535 ETH, valued at approximately $26.44 million. Attack method (per SlowMist): Contract Vulnerability. Reported loss: $ 26,440,000.
Primary source
https://x.com/lookonchain/status/2009303499927154909 ↗Sourced from
slowmist
Technical record
- chain
- —
- protocol
- Truebit
- bug_class
- logic
- date_occurred
- 2026-01-08
- loss_usd
- $26,440,000
- source_id
- sm:truebit::2026-01-08
Related — same bug class· logic