You generally enroll a passkey for a single device or connected group of devices. My icloud-syncing devices has a passkey. My windows laptop has another. My des

You generally enroll a passkey for a single device or connected group of devices. My icloud-syncing devices has a passkey. My windows laptop has another. My desktop has yet another. I have also enrolled my yubikey. I could stop using my idevices tomorrow and not be negatively influenced.