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Rodolfo Novak: Bitcoin ethos, Cold Card & Crypto Voices 3rd anniversary show

Crypto Voices

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Backing a Hardware Wallet Into a MicroSD Card

One option is you can actually back up the cold card wallet itself onto microSD. This was one of my sort of wishlist features, right? I always wanted... So what we do is we encrypt your seed inside the hardware wallet and then we put that encrypted seed into a microSD card. And then we give you the 12 words that we used as a password for the encrypted microSD. There is nothing hot, there is nothing clear taxed on the microSD. The microSD is fairly safe because it's been encrypted.

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