We support sending of SMS codes and Google Authenticator. To setup them, press the button with sliders
in the upper right corner of your account page. You will be redirected to "Settings"
. Select "Security Settings" tab. Enter and verify your phone number. Or follow the listed steps and install Google Authenticator. After you verify at least one method of second level authentification choose a convenient "Confirmation" procedure and press the "Save" button right underneath.