Leaderboard
41All-time rank
COLDCARD
Jul 31, 2026
$116M
Lost
$116M
Recovered
$0
Net loss
$116M
Unrecovered0% recovered
0+ (March 2021 onward), where a firmware bug bypassed the dedicated hardware RNG during key generation, cutting effective key strength to as little as 40 bits and allowing offline brute-forcing.
- Target
- Wallet
- Classification
- Key Compromise
- Technique
- Weak Key Generation
- Attribution
- Unknown
- Chains
Bitcoin
Event timeline
- Jul 31, 2026Exploit executed — $116M drained via weak key generation
- Attributed to Unknown
- Recovery status Unrecovered 0%