Coldcard hackers leave 87% of stolen Bitcoin unmoved after $114M theft

More than 87% of the Bitcoin attributed to the Coldcard hack has remained unmoved, leaving 1,561 BTC under attacker control after researchers linked the exploit to $114.7 million in losses. Summary Galaxy Research traced 1,789 BTC stolen from 8,865 addresses to the Coldcard hack. About 1,561 BTC, or 87.3% of the attributed losses, remains unmoved. Some Bitcoin from later attacks has moved through CoinJoin transactions and peel chains. Galaxy has shared identified attacker addresses with exchanges, compliance firms and law enforcement. Galaxy Research has traced 1,789.28 BTC stolen from 8,865 addresses to the Coldcard exploit, according to a Monday X post from Alex Thorn, the firm’s head of research. The Bitcoin was worth $114.7 million when it was taken, while Thorn put its current value at about $138.8 million. 📊 updated numbers on coldcard exploit8865 addresses lost 1789.28 BTC worth $114.7m at the time of theft ($138.8m today)– loss by addressmedian 0.00152mean 0.20184dormancy median 3.2yrdormancy mean 3.6yr– loss by victim reports (221)median 1.04272mean 3.57792dormancy… pic.twitter.com/d2R29dYyco— Alex Thorn (@intangiblecoins) August 24, 2026 Of the total, 1,561 BTC, or 87.3%,...