I know of paper wallets but don’t understand how they are generated. What you’re describing just sounds like a hot wallet. How is it not just a hot wallet if it’s generated from a website?
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it's a script that you download and then open from your disk... but it is a bit sketch, you'd have to open the dev controls to see it does no network connections
these things are just 121 and 192 or so bits that make a seed for a HD wallet, usually it gives you the first address it would generate as well. they are trivial to make as a local running program also, in almost any language
Crazy to think of such an OG person making that mistake. I’m a total noob by comparison and I wouldn’t trust any internet connected device to generate my keys.
yeah, though i have a special privilege in that i can write a little tool to generate them for myself and i can just check on the dependencies and functions to be certain nothing is calling the network... i have written dozens of key generators in the last 8 years
only the system random number generator can be suspect but every time a bad CSPRNG is found it is removed, this is the main non-network vulnerability, and affects TLS in a bad way that's why they fix them so fast