https://bitcoinmagazine.com/business/coinkite-publishes-everything-you-need-to-build-your-own-coldcard-wallet
Coinkite has published official schematics and guides for users to build their own Coldcard hardware wallet but will it hurt the bottom line?
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https://coldcard.com/q
COLDCARD Q is Coinkite's most advanced signing device with a full QWERTY keyboard and a large LCD screen.
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