how do you keep the phone always offline?
what about a slip up when any of the umpteen networking technologies built into it somehow accidentally activate?
Seems like an OK idea just think it'd have to be fleshed out. Curious if you've ever tried it.
You can install linux into a usb data stick.
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Yeah, I've had a copy of the block chain on USB before, run bitcoin core on it, but the usbs aren't super reliable. That much read/write seems to be hard on them.
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When used to hold an OS and occasionally operate it they last very well esp if you use a good quality one. An OS on a memory stick is essentially what HWs are anyway. My cold wallet lives on a USB memory stick that has never been online and I checked it yesterday- its fine...but yes always keep a secure copy or two of the seed phase too.
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Graphene is pretty good at giving you control to set it up to not turn on wifi automatically. blue wallet also has an 'offline' mode radio button in the app which can serve as a redundant backup in case. If both those failed, ya you could have it go online temporarily.
Yes i have tried it and set it up. BTCSessions has a video in detail on how to do it that is better than me explaining.
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