Firefox doesn't support U2F natively yet, but there's an addon: https://addons.mozilla.org/en-US/firefox/addon/u2f-support-add-on/ https://addons.mozilla.org/en

Firefox doesn't support U2F natively yet, but there's an addon: https://addons.mozilla.org/en-US/firefox/addon/u2f-support-add-on/ https://addons.mozilla.org/en-US/firefox/addon/u2f-support-a... Not sure if that will actually help you though, lots of sites are using user agent sniffing to only allow chrome instead of detecting it properly.