stf on Nostr: nprofile1q…7sekg the only way to implement a digital key that has analog key ...

nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpq9djpeuyzsvg3s2jjcpexwcg7lvn0fn090lakprqwa0t69mnns4ms27sekg (nprofile…sekg) the only way to implement a digital key that has analog key eqvivalent privacy properties, is to have some physical device like a 1-wire ibutton, with the doorlock recognizing only one code, and not having any other storage than the one for the unlock code (to avoid logging of anything). if you need more keys, just copy the unlock code onto more ibuttons. but this is bulky, more fragile, less secure, than analog keys, so they make little sense.