Inside The New COLDCARD Mk4 Bitcoin Hardware Wallet



Bitcoin Magazine obtained exclusive access to details about the upcoming COLDCARD Mk4, the new version of Canada-based Coinkite’s Bitcoin hardware wallet that improves upon the popular COLDCARD Mk3.

The main features of the new model include a USB-C connector, no restrictions on Bitcoin transaction size, increased security with an extra secure element, NFC integration, a slide cover, a USB virtual disk mode, and an extensive “Trick PIN” optionality.

The front and back of Coinkite’s upcoming hardware wallet, the COLDCARD Mk4. Photo courtesy of Coinkite.


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