I would like sign in using a Yubi Key, and without using a smart phone. (this should also include having a spare Yubi Key) The whole reason I got a Yubi Key is I don't have or want a smart phone (I do have one but it sits a home doing nothing). I also don't think its a wise move to have my login mechanism that authenticates me on an internet accessible general computing device. If that gets compromised then my account is compromised. But when I tried to add 2FA to my account it asks me to use an authentication app. I stopped there when I get to my phone I might try and see if I can get around it. I don't want to use an authentication app I just want to use a Yubi Key. Also what will happen to my account if one day my phone just stops working or I lose it?