On January 2022, Qubit Finance was exploited in a bridge exploit, resulting in approximately $80 in losses. That makes the Qubit Finance exploit the 452nd largest DeFi incident out of 690 documented in our archive.
A threat actor has used an exploit to steal approximately $80 million from Qubit Finance, a decentralized finance (DeFi) platform that allows users to loan and speculate on cryptocurrency price variations.
Attack Mechanics: How the Qubit Finance Bridge Exploit Played Out
Exploit Class Applied to Qubit Finance
The Qubit Finance incident on January 28, 2022 is classified as a Bridge Exploit. A cross-chain bridge is tricked into minting or releasing funds on the destination chain without a valid deposit on the source chain. In the full archive, Qubit Finance is 1 of 5 documented bridge exploit incidents.
Qubit Finance in Context
At $80, the Qubit Finance exploit is a minor (<$1M) event compared to the largest same-class incident in our archive — Li.Fi (2022) at $570K.
Prior Bridge Exploit Before Qubit Finance
The nearest bridge exploit incident before Qubit Finance was Poly Network, 170 days earlier on August 11, 2021 ($611 lost). The same exploit class surfaced again within the bridge exploit attack surface.
Qubit Finance Vulnerability Signature
The primary source categorises the Qubit Finance exploit specifically as “Bridge address(0).safeTransferFrom() does not revert”. This narrower label is entity-specific: it reflects how the Qubit Finance contract failed, rather than the broad bridge exploit pattern alone.
Impact & Recovery for Qubit Finance
Qubit Finance Loss Figure
The Qubit Finance exploit caused $80 in losses — a minor (<$1M) incident and the 57th largest of 129 documented in 2022.
Where Qubit Finance Sits Among Bridge Exploit Attacks
Ranked by loss size, Qubit Finance is the 4th largest of 5 bridge exploit incidents documented. That puts the Qubit Finance loss below the class average of $114.3K.
Timeline Since the Qubit Finance Incident
The Qubit Finance exploit occurred 4.2 years ago (1,537 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.
Primary Reference for Qubit Finance
Public post-mortem / on-chain analysis for the Qubit Finance incident: view source. Secondary narrative coverage: Qubit Finance platform hacked for $80 million worth of cryptocurrency.
FAQ
How much did Qubit Finance lose?
The Qubit Finance exploit in January 2022 resulted in $80 in losses — the 57th largest of 129 DeFi incidents that year.
When did the Qubit Finance hack happen?
The Qubit Finance exploit was recorded on January 28, 2022 — 1,537 days ago.
What type of exploit hit Qubit Finance?
The Qubit Finance incident is classified as a Bridge Exploit. A cross-chain bridge is tricked into minting or releasing funds on the destination chain without a valid deposit on the source chain.
How common is the Bridge Exploit pattern seen at Qubit Finance?
Our archive contains 5 documented bridge exploit incidents. The Qubit Finance incident is one of them.
How does Qubit Finance compare to the largest Bridge Exploit attack?
The largest bridge exploit incident in our archive is Li.Fi (2022) at $570K. The Qubit Finance loss is $80.
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