Passkeys are just software backed FIDO keys with no attestation and less features.
FIDO is flexible enough to distinguish userPresence (I.e., touching the key) from userVerification (commonly, entering a PIN), but this is only defined for physical keys IIRC.
FIDO is flexible enough to distinguish userPresence (I.e., touching the key) from userVerification (commonly, entering a PIN), but this is only defined for physical keys IIRC.