Smart card

https://en.wikipedia.org/wiki/Security_token#Smart_cards
https://wiki.gnupg.org/SmartCard

See also | :gpg

https://www.preining.info/blog/2018/03/replacing-a-lost-yubikey/


CC0 / Public domain dedication To the extent possible under law, d3vid seaward has waived all copyright and related or neighboring rights to "Smart card in Grasmere notebook, including code snippets" (why? how?)