BTC—ETH—

Incident All ledgers

Truebit: $26.4m

Truebit lost $26.4m on 8 January 2026. Ranked 110th of 1,272 crypto failures, with method, returned funds and comparable incidents.

Date
8 January 2026
Lost
$26.4m
Returned or repaid
None recorded
Target
DeFi Protocol
Category
Token & Share Accounting
Method
Arithmetic Error
Chains
Ethereum

On January 8, 2026, an attacker exploited an integer overflow in Truebit Protocol's token purchase logic, minting TRU almost free and selling it to the bonding curve for about $26M. TRU fell 99.9%.

Against the ledger

Closest in size by the same method

DateTargetLostTypeMethodReturned
22 Nov 2023KyberSwap Elastic$48.0mDeFi ProtocolRounding Error—
02 May 2021Spartan$30.5mDeFi ProtocolIncorrect Share Accounting—
05 Mar 2021Paid Network$27.0mDeFi ProtocolInfinite Mint—
20 May 2024Gala$22.3mDeFi ProtocolInfinite Mint—
15 May 2024Sonne Finance$20.0mDeFi ProtocolDonation Attack—

All failures in 2026 · The failures ledger

Amounts are DefiLlama’s estimates and can change as incidents are revalued. Its returned figure can include money a company repaid itself, not only funds recovered from attackers. Source: DefiLlama.

Cite this Bitminer.io, “Truebit, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/truebit-2026-01-08/. How this is built