Universal 2nd Factor
(Redirected from U2F)
This article is a stub. You can help the IndieWeb wiki by expanding it.
Universal 2nd Factor (AKA U2F) is a standard for two-factor authentication using hardware tokens.
Specifications: https://fidoalliance.org/specs/fido-u2f-v1.2-ps-20170411/fido-u2f-overview-v1.2-ps-20170411.html
Support
Browsers
Currently native in Chrome and Opera. Support in Firefox planned and currently existing using an addon (which hasn't been updated yet to a WebExtension).