On May 2023, FAPEN was exploited in a other, resulting in approximately $600 in losses. That makes the FAPEN exploit the 445th largest DeFi incident out of 690 documented in our archive.
Attack Mechanics: How the FAPEN Other Played Out
Exploit Class Applied to FAPEN
The FAPEN incident on May 29, 2023 is classified as a Other. A specific exploit class outside the most common buckets. In the full archive, FAPEN is 1 of 188 documented other incidents.
FAPEN in Context
At $600, the FAPEN exploit is a minor (<$1M) event compared to the largest same-class incident in our archive — MIMSpell (2024) at $65M.
Prior Other Before FAPEN
The nearest other incident before FAPEN was GPT Token, 4 days earlier on May 25, 2023 ($42K lost). The same exploit class surfaced again within the other attack surface.
FAPEN Vulnerability Signature
The primary source categorises the FAPEN exploit specifically as “Wrong balance check”. This narrower label is entity-specific: it reflects how the FAPEN contract failed, rather than the broad other pattern alone.
Impact & Recovery for FAPEN
FAPEN Loss Figure
The FAPEN exploit caused $600 in losses — a minor (<$1M) incident and the 160th largest of 214 documented in 2023.
Where FAPEN Sits Among Other Attacks
Ranked by loss size, FAPEN is the 105th largest of 188 other incidents documented. That puts the FAPEN loss below the class average of $2.03M.
Timeline Since the FAPEN Incident
The FAPEN exploit occurred 2.9 years ago (1,051 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.
Primary Reference for FAPEN
Public post-mortem / on-chain analysis for the FAPEN incident: view source.
FAQ
How much did FAPEN lose?
The FAPEN exploit in May 2023 resulted in $600 in losses — the 160th largest of 214 DeFi incidents that year.
When did the FAPEN hack happen?
The FAPEN exploit was recorded on May 29, 2023 — 1,051 days ago.
What type of exploit hit FAPEN?
The FAPEN incident is classified as a Other. A specific exploit class outside the most common buckets.
How common is the Other pattern seen at FAPEN?
Our archive contains 188 documented other incidents. The FAPEN incident is one of them.
How does FAPEN compare to the largest Other attack?
The largest other incident in our archive is MIMSpell (2024) at $65M. The FAPEN loss is $600.
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