Thursday, September 17, 2026Vol. XII · No. 214

World

‘Funds may be at risk’: Coinkite issues warning for Coldcard Mk3 users amid 594 BTC theft reports

Coldcard issues a security warning for Mk3 devices after 594 BTC theft. Users must migrate funds promptly to mitigate risks.

‘Funds may be at risk’: Coinkite issues warning for Coldcard Mk3 users amid 594 BTC theft reports
Wire / Centuries Mutual

Summary is AI generated, newsroom reviewed. Coldcard warns users of risks with Mk3 devices after 594 BTC theft. Users advised to migrate funds immediately due to seed generation flaw. Investigation into theft continues, but no confirmed link to Coldcard issue. Coldcard has issued a significant warning regarding its Mk3 devices, advising users to migrate their funds immediately. The alert follows the theft of 594 BTC from various wallets, as reported by crypto commentator @WuBlockchain. This situation raises serious security concerns, especially for those using firmware versions 4.0.1 to 5.0.3. The warning underscores the need for users to prioritize their wallet security. The recent alert from Coldcard highlights a troubling security flaw related to its Mk3 devices, specifically concerning seed generation. Coinkite, the company behind Coldcard, has emphasized that wal…

In the broader crypto market, mixed signals continue as traders monitor wallet security and potential risks. Coldcard issued a security warning regarding Mk3 devices’ seed generation flaw. Users should migrate funds immediately to protect assets. The warning follows a theft of 594 BTC from single-signature wallets. Affected firmware versions include 4.0.1 through 5.0.3. Investigations into the theft are ongoing, with no confirmed link to Coldcard. Currently, the Coldcard coin shows no trading activity with $0 volume over the past 24 hours. The broader crypto market is experiencing fluctuations, with varying levels of momentum across different assets. Traders remain cautious as security concerns loom large in light of the recent theft, impacting overall sentiment in the market. Coldcard, developed by Coinkite, specializes in secure Bitcoin hardware wallets aimed at saf…


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