Ahha I missed the "at least two" part. I can get behind that no problems at all. Now all I need is a USB-C hole in my iPhone...
Edit: ok they come in NFC as well. There goes €100...
Edit: ok they come in NFC as well. There goes €100...
If cost is a concern, you're buying the wrong keys. You can get FIDO-certified CTAP2 tokens for much less these days (even Yubico's is only about €25 apiece).