Blizzard Mobile Authenticator
How to migrate your authenticator to the Battle.net mobile app
Originally, Blizzard authenticators were small handheld devices that showed you a code that allowed you to log into Battle.net — but times have changed, and the physical authenticator we once knew is now a convenient phone app.
Physical Blizzard authenticators are no more
Before I got my Blizzard authenticator, I didn't even know what two-factor authentication was.
