ChainBleedv0.1 · open intel
← back to feed·ETH2026-01-08 · 5mo ago
Incident · CHAINSEC

Truebit

Exploit
Estimated loss
$26.40M
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/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

DefiLlama-linked reporting identified a smart-contract manipulation incident that drained about $26.4 million in ETH from Truebit. Reported loss: $26,400,000.

Primary source
https://cointelegraph.com/news/defi-hacks-169m-q1-2026-crypto-exploits-decline
Sourced from
chainsec
Technical record
chain
ethereum
protocol
Truebit
bug_class
unknown
date_occurred
2026-01-08
loss_usd
$26,400,000
source_id
cs:truebit::2026-01-08
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