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Coldcard issues Mk3 warning as experts examine $38M Bitcoin wallet drain

CryptoInfo Editorial Team  ·  Published on July 31, 2026 at 02:38  ·  Updated on July 31, 2026  ·  1 min read

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Key Takeaways

  • Coinkite has warned Coldcard Mk3 users to migrate their funds due to a potential seed-generation risk
  • Bitcoin security experts are examining an unexplained $38 million wallet drain
  • The two issues are being addressed separately
Disclaimer: This content is provided for informational purposes only and does not constitute financial or investment advice.

Coinkite, the company behind the Coldcard series of Bitcoin hardware wallets, has urged users of the Coldcard Mk3 to migrate their funds to a new device.

This warning comes after the identification of a potential seed-generation risk, according to a report from CoinTelegraph. Meanwhile, separate efforts are underway by Bitcoin security experts to examine an unexplained drain of approximately $38 million from a Bitcoin wallet.

While these two issues are being addressed separately, they highlight the ongoing importance of security and vigilance in the management of cryptocurrency assets.

Source: CoinTelegraph ↗

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