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They don't and that's the point. The actual process varies probably from company to company, but generally, deposits into cold storage are automated, and withdrawals from cold storage require varying degrees of manual involvement. The process usually involves some of the following components: Air-gapped signing system The signing device is not connected to ...


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One of the main points of cryptocurrencies is that you should not under any circumstances be able to calculate some else’s private keys. Your only way to get it would be to find the sender and probably threaten them with bodily harm until they give it to you. Or find some security weakness that allows you to access their computer and steal the key from them, ...


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You can verify the legitimacy of Coinkite's Coldcard key generation, assuming that you've used Coldcard's feature of generating the entropy for the seed words by throwing dice (the key generated will be based on your dice throws and so wasn't surreptitiously built into the card). The web page https://coldcardwallet.com/docs/verifying-dice-roll-math gives ...


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In some cases you can generate your own 12 or 24-word seed phrase using open-source software on an isolated computer and use that phrase in the hardware devices recovery mode. For example The recovery phrase to restore private keys from. BIP39/BIP44 recovery phrases are supported. You should also, with some work, be able to independently verify that ...


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