To counter the dismissal of general hardware as a cold wallet, your view on threat models itself is a bit hopeful. Best summarized by xkcd, https://xkcd.com/53

To counter the dismissal of general hardware as a cold wallet, your view on threat models itself is a bit hopeful. Best summarized by xkcd, https://xkcd.com/538/ https://xkcd.com/538/ Having a dedicated device that screams "hey I have bitcoin" is almost always going to be more of a risk than a dedicated general compute device of plausible deniability. A device such as a phone with wireless and usb data disabled, encrypted, accessing data stored in an app that has it's own encryption on top. Its cute to romanticize the idea that some threat actor will be up against some impossibly secure device, the reality tends to be a lot simpler https://github.com/jlopp/physical-bitcoin-attacks https://github.com/jlopp/physical-bitcoin-attacks especially if they find you have dedicated hardware with the sole purpose of securing crypto.