Security
Coldcard Exploit Drains Over $130 Million in Bitcoin as Hackers Move Funds to Mixers
CoinCentral·August 7, 2026·1 min read
A firmware flaw in Coldcard hardware wallets has led to losses of over $130 million in Bitcoin across multiple attack waves. Bitcoin active addresses hit 980,000 per day, the highest since December 2024, driven by security concerns. At least 15 different attackers exploited the vulnerability, with a fourth wave suspected. Hackers moved funds to mixers.
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