Leaderboard
747All-time rank
Z
ZenCash
Jun 2, 2018
$550K
Lost
$550K
Recovered
$0
Net loss
$550K
Unrecovered0% recovered
On June 2, 2018, ZenCash (now Horizen) suffered a 51% attack resulting in double-spend losses of over $500K. The attacker gained majority hashrate control and reorganized 38 blocks, executing double-spends of 13,000 and 6,600 ZEN across exchanges.
The attack likely involved rented hashpower from NiceHash.
- Target
- Other
- Classification
- Bridge & Cross-Chain
- Technique
- Forged Proof
- Attribution
- Unknown
- Chains
ZenCash
Event timeline
- Jun 2, 2018Exploit executed — $550K drained via forged proof
- Attributed to Unknown
- Recovery status Unrecovered 0%