A Tails drive with enabled storage could be a possibility. Storage is encrypted, and the os is right there.
na . PosterChanOS !
https://iso.poster.place
or try https://poster.place and click on the avatar for Desktop mode
Your nostr-powered OS! Does Luks encryption if you install to HD
https://iso.poster.place
or try https://poster.place and click on the avatar for Desktop mode
Your nostr-powered OS! Does Luks encryption if you install to HD