>I don't remember where I've used my YubiKey in the past.
I track this in my password manager. Accounts where the YubiKey is enrolled are tagged "YubiKey (FIDO)".
I track this in my password manager. Accounts where the YubiKey is enrolled are tagged "YubiKey (FIDO)".
I just had to log into stack overflow for the first time in years, and did not remember what I used to previously log in. Once I figured it out that information went into Keepass too.
You could try every 3 - 5 years or so as it gets reassigned again