A vulnerability in Coldcard wallet firmware released on March 17, 2021, enabled a Bitcoin theft campaign that continued for several years. Galaxy Research identified 192 victims who lost approximately 714.8 Bitcoin, with total losses exceeding $115 million as of August 16, 2024. The majority of significant thefts occurred between 2021 and 2022. The investigation revealed distinct attack patterns, including different methods for transferring stolen funds based on block timing, fees, and destination addresses.
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