I use for some websites a Yubikey. But for me it feels very "blackbox like". I did read about a lot of functions on the internet, but I'm affraid to play with i

I use for some websites a Yubikey. But for me it feels very "blackbox like". I did read about a lot of functions on the internet, but I'm affraid to play with it, because I won't break anything. Also in the end, there is allways a second password for emergency. So if your password list leaks, the emergency password leaks with it for most people I guess.