On June 2022, Optimism suffered a other on Optimism — the first of 188 documented other incidents in our archive where the loss figure was not publicly disclosed but the exploit pattern is documented below.
Attack Mechanics: How the Optimism Other Played Out
Exploit Class Applied to Optimism
The Optimism incident on June 8, 2022 is classified as a Other. A specific exploit class outside the most common buckets. In the full archive, Optimism is 1 of 188 documented other incidents.
Optimism in Context
The Optimism incident joins a class whose largest loss to date is MIMSpell (2024) at $65M.
Prior Other Before Optimism
The nearest other incident before Optimism was HackDao, 15 days earlier on May 24, 2022. The same exploit class surfaced again within the other attack surface.
Optimism Vulnerability Signature
The primary source categorises the Optimism exploit specifically as “Wintermute”. This narrower label is entity-specific: it reflects how the Optimism contract failed, rather than the broad other pattern alone.
Target Chain: Optimism
The vulnerable Optimism contract was deployed on Optimism — one of 2 documented incidents on Optimism. This determines the block cadence, mempool, and forensic tooling available to investigators.
Impact & Recovery for Optimism
Optimism Loss Figure
The loss figure for Optimism is not publicly disclosed. The primary source reports the exploit in non-USD terms, so no USD estimate is published here. For reference, the average loss across 188 other incidents in our archive is $2.03M.
Timeline Since the Optimism Incident
The Optimism exploit occurred 3.9 years ago (1,406 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.
Primary Reference for Optimism
Public post-mortem / on-chain analysis for the Optimism incident: view source.
FAQ
How much did Optimism lose?
The Optimism loss figure is not publicly disclosed. The primary source reports the exploit in non-USD token terms, so no USD estimate is published here.
When did the Optimism hack happen?
The Optimism exploit was recorded on June 8, 2022 — 1,406 days ago.
What type of exploit hit Optimism?
The Optimism incident is classified as a Other. A specific exploit class outside the most common buckets.
Which blockchain was Optimism deployed on?
The Optimism contract was deployed on Optimism, one of 2 documented incidents on that chain.
How does Optimism compare to the largest Other attack?
The largest other incident in our archive is MIMSpell (2024) at $65M. The Optimism loss was not publicly disclosed.
What publication trend was observed for articles related to humanitarian supply chains and I4.0?
A gradual increase over time, with a peak in research interest in 2022.
What challenges do traditional anti-fraud methods face that GNNs and blockchain aim to overcome?
Traditional methods struggle with the complexity and dynamism of modern financial fraud.