If the concept isn't easily understood nor well implemented by the majority of platforms, it's not a good concept.

We've been using SSH keys which behave the same for years. At this point it's mostly clowning by old farts in these articles.

	▲	cpburns2009 an hour ago \| parent [-]
		SSH keys are much easier to use and understand. Heck, passkeys could have just been a ZIP file holding a key-pair instead of whatever hostile design by committee we ended up with.