- I have recently started seeing "sign in with a passkey" options on various websites. I know that BitWarden, a piece of software I like and trust, can now hold Passkeys. However, I intentionally do not install BitWarden on Microsoft OSes, and I really, *really* hate Bluetooth. Do you know off the top of your head, could I keep my passkeys on my Android phone and connect them to my Firefox web browser **without using Bluetooth**? (USB, for example.) I really don't want to turn on Bluetooth ever.