On May 2023, DEI was exploited in a other, resulting in approximately $5.4M in losses. That makes the DEI exploit the 43rd largest DeFi incident out of 690 documented in our archive.
Attack Mechanics: How the DEI Other Played Out
Exploit Class Applied to DEI
The DEI incident on May 5, 2023 is classified as a Other. A specific exploit class outside the most common buckets. In the full archive, DEI is 1 of 188 documented other incidents.
DEI in Context
At $5.4M, the DEI exploit is a significant ($1M–$10M) event compared to the largest same-class incident in our archive — MIMSpell (2024) at $65M.
Prior Other Before DEI
The nearest other incident before DEI was OLIFE, 16 days earlier on April 19, 2023. The same exploit class surfaced again within the other attack surface.
DEI Vulnerability Signature
The primary source categorises the DEI exploit specifically as “wrong implemention”. This narrower label is entity-specific: it reflects how the DEI contract failed, rather than the broad other pattern alone.
Impact & Recovery for DEI
DEI Loss Figure
The DEI exploit caused $5,400,000 in losses — a significant ($1M–$10M) incident and the 13th largest of 214 documented in 2023. This single incident represents 0.8% of all tracked losses that year.
Where DEI Sits Among Other Attacks
Ranked by loss size, DEI is the 9th largest of 188 other incidents documented. That puts the DEI loss above the class average of $2.03M.
Timeline Since the DEI Incident
The DEI exploit occurred 2.9 years ago (1,075 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.
Primary Reference for DEI
Public post-mortem / on-chain analysis for the DEI incident: view source.
FAQ
How much did DEI lose?
The DEI exploit in May 2023 resulted in $5,400,000 in losses — the 13th largest of 214 DeFi incidents that year.
When did the DEI hack happen?
The DEI exploit was recorded on May 5, 2023 — 1,075 days ago.
What type of exploit hit DEI?
The DEI incident is classified as a Other. A specific exploit class outside the most common buckets.
How common is the Other pattern seen at DEI?
Our archive contains 188 documented other incidents. The DEI incident is one of them.
How does DEI compare to the largest Other attack?
The largest other incident in our archive is MIMSpell (2024) at $65M. The DEI loss is $5.4M.
What does the study reveal about market behavior during the pandemic?
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