Hack history / 2024 / Hack or exploit
JokInTheBox
Hack or exploit on Jun 11, 2024 · Withdrawal Logic Flaw
ATTACK TX CONFIRMED ON CHAINSOURCES AGREE ON DATE AND LOSS · 3 SOURCES
Lost
$34K
dollars at the time
Returned
none listed
as the sources state it
Rank
#2,009
among thefts by dollars lost
What happened
JokInTheBox staking contract had an unstaking vulnerability where the state variable was not properly checked, allowing attackers to unstake multiple times from the same balance. Exploiter continuously withdrew funds, draining ~$34K from affected users.
Details
- Date
- Jun 11, 2024
- Kind
- Hack or exploit
- Method
- Withdrawal Logic Flaw
- How in
- Smart contract bug
- Target
- DeFi protocol
- Chains
- Ethereum
Reported by
Related incidents
Cite this page
SwanBluechip, "JokInTheBox hack, Jun 11, 2024: $34K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/hte868361040/ (data as of 2026-11-01).