According to a new disclosure from Galaxy Research, approximately 1,719 bitcoin, worth roughly $111 million, were stolen through a vulnerability in Coldcard hardware wallets, based on victim reports the firm says it treats with high confidence. Additional suspicious funds are still being reviewed and verified, and total losses could surpass $130 million. More than 250 victims have filed reports with Galaxy so far. On-chain data shows no records of stolen coins being created before the affected Coldcard firmware was released on March 17, 2021, which the firm identifies as the release date of the vulnerable version. Galaxy added that there is currently no evidence linking the vulnerability to signing devices or wallets beyond the Coldcard Mk3, Mk4, Mk5, and Q models. The incident appears limited to those devices running firmware versions released after that date, leaving earlier firmware releases unaffected.
Galaxy Research, citing victim reports, said roughly 1,719 bitcoin (about $111 million) were stolen through a Coldcard hardware wallet flaw. More suspicious funds are being verified; losses may exceed $130 million. Over 250 victims reported.
Per Galaxy, no stolen coins show up on-chain before the affected firmware launched March 17, 2021. No evidence links the flaw to wallets beyond Coldcard Mk3, Mk4, Mk5 or Q — exposure covers devices running firmware released after that date.
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