Qubes FIDO2/CTAP2 proxy for Passkey authenticaiton with hardware devices?

[KitsuneNoBaka]

Does the CTAP proxy work with Whonix-WS and Tor Browser?

I followed the instructions here (CTAP proxy — Qubes OS Documentation) to set it up, but it didn’t work. I suspected Whonix and Tor Browser might be the cause. Does anyone actually use the CTAP proxy with Whonix and Tor Browser? Are there any additional settings required? If not, I assume I made a mistake somewhere.

Not recognizing Yubikey for setting up challenge response with KeepassXC

New to Yubikey. I have been using KeepassXC for ages and am now trying to incorporate a Yubikey for challenge response. The Yubikey shows up in sys-usb after following this method: https://doc.qubes-os.org/en/latest/user/security-in-qubes/ctap-proxy.html This led me to believe, that the vms I had set to use ctap would recognize the Yubikey. But in my dedicated KeepassXC vm, when I follow the procedure to make a new datafile and successfully reach the Challenge-Response box, I get a ‘No hard…