Galaxy Discloses Progress on Coldcard Attack: 1,778 BTC Stolen, 33 Attacker Address Clusters Identified

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Galaxy Research reports that the total amount of BTC stolen in Coldcard attacks now stands at 1,778 BTC, valued at approximately $112 million. Three major attack waves and over 30 smaller ones have been tracked, with 33 clusters of attacker addresses identified. As of August 6, no new high-confidence attacks have emerged. Approximately 1,531 BTC remains in attacker addresses, while 246 BTC has been moved—65% via CoinJoin and 35% to exchanges or bridges. Galaxy has shared the relevant addresses with exchanges and law enforcement. As BTC is increasingly viewed as a hedge against inflation, this incident underscores ongoing security risks. The MiCA (EU Markets in Crypto-Assets Regulation) framework may soon impose stricter oversight on such vulnerabilities.

Odaily Planet Daily reports that, according to Galaxy Research, attacks related to the Coldcard vulnerability have resulted in at least 1,778 BTC stolen, valued at approximately $112 million, with potential final losses likely higher. Galaxy Research has tracked three major attack waves and over 30 smaller attack footprints, and has additionally identified at least 33 clusters of attacker addresses; no new high-confidence attack waves have been detected since August 6. Approximately 1,531 BTC remain in addresses controlled by attackers, while around 246 BTC have been transferred, with about 65% routed through CoinJoin and approximately 35% sent to exchanges or cross-chain bridges. Galaxy Research has provided the list of associated attacker addresses to cryptocurrency exchanges, compliance and investigative agencies, and law enforcement authorities.

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