Leaderboard
204All-time rank
W
Wanchain
Jul 21, 2026
$10.0M
Lost
$10.0M
Recovered
$0
Net loss
$10.0M
Unrecovered0% recovered
On July 21, 2026, Wanchain's Cardano-BNB Chain bridge was drained of ~515M NIGHT tokens. The TreasuryCheck validator concatenated 14 variable-length fields without separators, allowing a signature authorizing ~3,110 NIGHT to be reused for vastly larger redemptions.
- Target
- Bridge
- Classification
- Input Validation
- Technique
- Signature Verification Flaw
- Attribution
- Unknown
- Chains
Cardano
Event timeline
- Jul 21, 2026Exploit executed — $10.0M drained via signature verification flaw
- Attributed to Unknown
- Recovery status Unrecovered 0%