I don't know how this certain feature is implemented. But Pass Keys are synced via iCloud and the private key never leaves any Secure Enclave in unencrypted for

I don't know how this certain feature is implemented. But Pass Keys are synced via iCloud and the private key never leaves any Secure Enclave in unencrypted form. Maybe these virtual security keys are different in that they are never synced via iCloud, but principally they could be.