What is 2FA?

Two-factor authentication (also known as 2FA or 2-Step Verification) is a method of confirming a user's claimed identity by utilizing a combination of two different components.

If you enable 2FA in your account settings you need to have a mobile phone (iOS, Android or Windows) and a 2FA app. There are other 2FA solutions too but the most easy way is to use mobile phone and app.

Google Authenticator and Authy are the best known free 2FA apps.

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