Coldcard Bitcoin loss estimate rises to $70M after Galaxy analysis

Galaxy Research, the research arm of crypto investment company Galaxy Digital, has identified 1,196 addresses that lost 1,082.65 Bitcoin, worth approximately $70.2 million, during a 41-minute window related to the Coldcard wallet incident. This analysis significantly expands the initial loss estimates, which had been pegged at 594.48 Bitcoin valued around $38 million.
The Bitcoin movements were traced between 1:10 AM and 1:51 AM UTC on July 30 across blocks 960,183 to 960,191, approximately 30 hours before Coldcard published its first security advisory. The Coldcard incident, Bitcoin security, hardware wallet vulnerability, cryptocurrency theft, Galaxy Digital, blockchain analysis continues to raise concerns about the security of hardware wallets and the need for better communication protocols during security emergencies.
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