If you know how public key authentication works, then you know how passkeys work. Passkeys are private and public key pairs. Your password manager acts as the

If you know how public key authentication works, then you know how passkeys work. Passkeys are private and public key pairs. Your password manager acts as the middleware between the keys and the software you need to authenticate with. You just need it to speak to services that use passkeys, and you can swap it out for anything that is able to do the same. Your "password manager" in this case can also just be a physical security key.