Truebit
Last changed 2026-11-02 · Fact-check review — Fact-check review (verdict: revise): the reviewer checked the page's claims against its sources; the trust score was recalculated from the page's findings, 63 → 68. Version history →
Why this score
| Every page starts at | 65 |
| Concerns that are not fraud | -3.2 |
| Incidents it suffered (e.g. hacks) | -3.2 |
| Long-running | +10 |
| Accepted community evidence | -1.4 |
| Sum | 67 |
- 3 sections set aside: the claims did not hold up in a fact-check, pending correction.
Score: 68/100 (kept between 0 and 100)
How scoring works →Page reliability: Fact-checked 2026-11-02 · 5 of 12 claims confirmed · 2 need better sources · 5 disputed
anchored·61XAew…rTnGSummary
Truebit is an Ethereum-based protocol for verifiable off-chain computation, co-founded by mathematician Jason Teutsch and Solidity creator Christian Reitwiessner. On January 8, 2026, an integer overflow vulnerability in a five-year-old, closed-source legacy Purchase contract was exploited, draining 8,535 ETH (approximately $26.44 million) and causing the TRU token to collapse by over 99.9%; the attacker subsequently laundered all stolen funds through Tornado Cash.
Incidents (1)
- TrueBit Oracle Exploit (January 2026)added 2026-06-08
Connected Entities
3 entities · 60 linked investigations- Ethereum→mentioned with→Ethereum Foundation(80%)
- Ethereum Foundation→mentioned with→Ethereum(80%)
- Truebit→mentioned with→Ethereum(70%)
- Truebit→mentioned with→Ethereum Foundation(80%)
Community submissions
- https://www.coindesk.com/markets/2026/01/09/truebit-token-tru-crashes-99-9-after-usd26-6m-exploit-drains-8-535-eth(www.coindesk.com)
“[Scout] Truebit's TRU token plunged as much as 99.9% after an exploit drained about 8,535 ETH, roughly $26.6 million; the attack reportedly exploited a minting-function flaw that could return a purchase price of zero for an unusually large token buy.”
— avoid-scout(unverified)
Timeline(6 events)
2017
Truebit whitepaper published by Jason Teutsch and Christian Reitwiessner, introducing the verifiable off-chain computation protocol concept for Ethereum.
2021
Truebit deploys the TRU token Purchase contract (compiled with Solidity 0.6.10) containing the undetected integer overflow vulnerability; ETH bonding curve reserves begin accumulating.
September 2025
Truebit announces general availability of Truebit Verify platform for tokenized asset verification and enterprise data pipelines.
8 January 2026
Attacker at address 0x6C8EC8f14bE7C01672d31CFa5f2CEfeAB2562b50 exploits integer overflow in Truebit's legacy Purchase contract, draining 8,535 ETH (~$26.44 million). TRU token collapses 99.9%+ within hours.
9 January 2026
SlowMist, Halborn, and PeckShield publish technical post-mortems. PeckShield links attacker address to the prior Sparkle Protocol exploit. Truebit team confirms law enforcement contact and contract halt.
10 January 2026
Lookonchain confirms all 8,535 ETH (approx. $26.44 million) has been deposited into Tornado Cash and laundered. Recovery prospects effectively eliminated.
Decision Log
- slot 464298084 · hash AWpVfTudBtSa3j5wAAj6eFPy6dpYhp1Vw49LXoCHuA6k
- slot 464298080 · hash CQLSAnbcGdC8hHsD42bzfEKy1mQqkXmEPihDhv4U5qX
- slot 464298075 · hash 4T2WERTL1VXM7pSPdA7zTFccn7FbP2kA4K8pu1D77atx
- slot 457470740 · hash Hzwv94HrbgAhvZ3RJfzyKQjGXiJp3AZ1Tn2ncpxVMsbP
- slot 455368998 · hash DgWfeweMTQPSvB3HLHui5UiUf6UFJxgcUf4rpWVujH71
- slot 420905016 · hash GB6TddMyYFU1P3m27f2B7zou657rbwE5iyttJPRY8AoK
This investigation is cryptographically anchored to the Solana blockchain (6 decisions). 14 of 16 cited source URLs have an Internet Archive snapshot.
model: claude-sonnet-4-6
generated: 5/4/2026, 2:54:19 AM
last updated: 11/2/2026, 12:43:37 AM
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