Leaderboard
749All-time rank
Bisq
May 1, 2026
$550K
Lost
$550K
Recovered
$0
Net loss
$550K
Unrecovered0% recovered
Bisq v1 was exploited via missing validation on negative miner fee values in trade protocol. Modified client allowed attacker to pull value from multisig outputs; ~11 BTC stolen from 10 users.
Bisq v2 and Easy unaffected.
- Target
- DeFi
- Classification
- Input Validation
- Technique
- Missing Input Validation
- Attribution
- Unknown
- Chains
Bitcoin
Event timeline
- May 1, 2026Exploit executed — $550K drained via missing input validation
- Attributed to Unknown
- Recovery status Unrecovered 0%