Although -- because it's a workaround for Google's implementation -- it only works for verifying keys, not registering them in the first place. If you add a ke

Although -- because it's a workaround for Google's implementation -- it only works for verifying keys, not registering them in the first place. If you add a key in Chrome(ium) then you can use it in Firefox: https://bugzilla.mozilla.org/show_bug.cgi?id=1436078#c4 https://bugzilla.mozilla.org/show_bug.cgi?id=1436078#c4