Unfortunately at the moment (2015-11-03), U2F protocol is still not officially supported in Mozilla Firefox: https://bugzilla.mozilla.org/show_bug.cgi?id=1065729 U2F protocol is mainly promoted by Yubico company (who is selling Yubikeys) Finally, Firefox 57 (called Quantum) supports U2F protocol but for the moment (2017-12-17) it’s not enabled by default. Here is how to […]