※You need to download the Google Authenticator in your iPhone before setting up.
How to set up
1．After launching the bitbank app, wait for a moment and then tap the "設定する（Set up two-step authentication）" message that appears.
You can also set it from the "Security" menu that appears by tapping the three lines in the upper right corner of the screen.
2．Please tap the "設定（Set up）" botton.
3．Please tap the "設定を始める （Start setting up）".
4．Please tap the "認証アプリを起動する（Launch the authentication app)".
5．A key will be generated, press "OK" to save the key.
6．Long tap the authentication code to copy it, then return to the bitbank app.
7．Switch the screen from the authentication app to the bitbank app, paste the authentication code you copied and tap "設定する（Set up）".
8．That's all you have to do to set up the two-step authentication.
If you can't set it up
The circle at the bottom right of the 6-digit authentication code indicates the time limit of the code.
If you can't set up the code successfully, the time limit may have expired.
Please complete the setup within the time limit.
If you can't set the time limit even though it is set within the time limit, please check the clock settings on your iphone.