double-spend

Pierluigi Paganini May 24, 2018
Bitcoin Gold hit by double-spend attack, exchanges lose over $18 million

An unknown hacker made over $18 Million worth of BTG (Bitcoin Gold) powering “double spend” attacks on the Bitcoin Gold cryptocurrency network. The attacks started on May 18, the attacker used a large number of servers that allowed him to take the control of the majority of the Bitcoin Gold’s network hashrate, an attack technique dubbed “51% […]