We’ll its a private key, so just a few kb of data. You can likely put it on all sorts of devices. Most services that use it will require some of the above, so I doubt the usefulness, but the same goes for most passwords.
Im curious how you access your passwords with the above criteria. Are you using a notepad with dozens/hundreds of unique passwords, some kind of dice based randomizer, or just a few passwords for many sites?
I’m fine with that as long as it works without my phone, internet or power.
So, a contactless smartcard
What are you signing into where you need a password but don’t have internet?
digital wallet?
Lan server, air gapped
We’ll its a private key, so just a few kb of data. You can likely put it on all sorts of devices. Most services that use it will require some of the above, so I doubt the usefulness, but the same goes for most passwords.
Im curious how you access your passwords with the above criteria. Are you using a notepad with dozens/hundreds of unique passwords, some kind of dice based randomizer, or just a few passwords for many sites?
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