Hack history / 2023 / Hack or exploit
DEI
Hack or exploit on May 5, 2023 · Contract Vulnerability
ATTACK TX CONFIRMED ON CHAINSOURCES AGREE ON DATE AND LOSS · 2 SOURCES
Lost
$6.3M
dollars at the time
Returned
none listed
as the sources state it
Rank
#408
among thefts by dollars lost
What happened
The stablecoin DEI launched by the DeFi protocol DEUS has been hacked, and the loss has exceeded $6.3 million. Over $5 million was lost on Arbitrum and $1.3 million on the BSC chain. This appears to be a public destroy bug. On May 7, one of the DEI hacker addresses (starting with 0xdf610228) returned about 1.07 million DAIs. on May 8, DEUS tweeted to confirm that the DEI attackers had returned 2,023 ETH.
Details
- Date
- May 5, 2023
- Kind
- Hack or exploit
- Method
- Contract Vulnerability
- How in
- Smart contract bug
- Target
- not stated
- Chains
- Arbitrum
After the theft
- Returned by the attacker
- yes, amount not stated
“On May 7, one of the DEI hacker addresses (starting with 0xdf610228) returned about 1.07 million DAIs.” (SlowMist Hacked)
Reported by
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Cite this page
SwanBluechip, "DEI hack, May 5, 2023: $6.3M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht5f2ca727f5/ (data as of 2026-10-31).