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Coinkite Issues Security Advisory for Coldcard Mk3 Wallets Over Seed-Generation Vulnerability

AI Market Summary
Coinkite issued a security advisory for Coldcard Mk3 devices, warning that seeds generated on firmware 4.0.1–5.0.3 (2021–2023) may be at risk; single-signature users are urged to move funds to newly generated wallets. The alert follows reports of ~594.5 BTC drained from ~500 addresses, though Coinkite has not confirmed linkage. The news raises near-term operational and custody risk concerns for Bitcoin holders.
Impact level
● Medium
Affected assets
BTC/USDT+0.29%
AI Insight · BTC/USDTAI Insight
▼ Bearish
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⚠️ AI-generated insights are based on news content and are provided for informational purposes only. They do not constitute investment advice or represent the views of BingX. Investing involves risk. Please trade responsibly.
Coinkite, the manufacturer of Coldcard Bitcoin hardware wallets, issued a security advisory regarding a vulnerability in Coldcard Mk3 devices running firmware versions 4.0.1 through 5.0.3. These specific releases, which spanned from 2021 to 2023, contain a flaw in the wallet seed-generation process. Coinkite has urged users of single-signature wallets to immediately transfer their funds to newly generated wallets to mitigate risk. While blockchain researchers have reported that approximately 594.5 BTC has been drained from roughly 500 addresses, Coinkite stated it has not yet confirmed a direct link between these specific thefts and the disclosed firmware issue. The company emphasizes the importance of migrating to secure seeds to prevent potential unauthorized access.
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BTC+0.32%
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