The FIDO Alliance and its U2F standard are young, but they can boast major supporters in the tech and financial worlds. As more household names join the party and support U2F authentication, it could emerge as a widely accepted standard for two-factor authentication.
As of right now, the only Web browser that supports U2F is Google Chrome. With Microsoft on board as a member of the FIDO Alliance, though, it seems reasonable to expect Internet Explorer to support U2F in the near future.
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