On March 2025, H2O was exploited in a other, resulting in approximately $22.5K in losses. That makes the H2O exploit the 325th largest DeFi incident out of 690 documented in our archive.
Attack Mechanics: How the H2O Other Played Out
Exploit Class Applied to H2O
The H2O incident on March 14, 2025 is classified as a Other. A specific exploit class outside the most common buckets. In the full archive, H2O is 1 of 188 documented other incidents.
H2O in Context
At $22.5K, the H2O exploit is a minor (<$1M) event compared to the largest same-class incident in our archive — MIMSpell (2024) at $65M.
Prior Other Before H2O
The nearest other incident before H2O was DUCKVADER, 3 days earlier on March 11, 2025 ($9.6K lost). The same exploit class surfaced again within the other attack surface.
H2O Vulnerability Signature
The primary source categorises the H2O exploit specifically as “Weak Random Mint”. This narrower label is entity-specific: it reflects how the H2O contract failed, rather than the broad other pattern alone.
Impact & Recovery for H2O
H2O Loss Figure
The H2O exploit caused $22,470 in losses — a minor (<$1M) incident and the 52nd largest of 96 documented in 2025.
Where H2O Sits Among Other Attacks
Ranked by loss size, H2O is the 77th largest of 188 other incidents documented. That puts the H2O loss below the class average of $2.03M.
Timeline Since the H2O Incident
The H2O exploit occurred 1.1 years ago (396 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.
Primary Reference for H2O
Public post-mortem / on-chain analysis for the H2O incident: view source.
FAQ
How much did H2O lose?
The H2O exploit in March 2025 resulted in $22,470 in losses — the 52nd largest of 96 DeFi incidents that year.
When did the H2O hack happen?
The H2O exploit was recorded on March 14, 2025 — 396 days ago.
What type of exploit hit H2O?
The H2O incident is classified as a Other. A specific exploit class outside the most common buckets.
How common is the Other pattern seen at H2O?
Our archive contains 188 documented other incidents. The H2O incident is one of them.
How does H2O compare to the largest Other attack?
The largest other incident in our archive is MIMSpell (2024) at $65M. The H2O loss is $22.5K.
Which cryptocurrencies were analyzed in the study?
Bitcoin, Binance Coin, and XRP were analyzed alongside monthly monetary policy data from the USA and South Africa.
What general conclusion does the study draw about the role of cryptocurrency holdings?
Cryptocurrency holdings can have positive or negative impacts on sustainable performance, influenced by the company's financial health and external financial conditions.