Google Authenticator code doesn't work (Incorrect or Expired)

Please try the following:

On Android:

  • Go to the main menu on the Google Authenticator app
  • Tap More Settings.
  • Tap Time correction for codes.
  • Tap Sync now.
  • Enter your OTP code in the Two-Factor Authentication box.

On iOS (Apple iPhone):

  • Go to the iPhone Settings App (your phone settings area)
  • Select General
  • Select Date & Time
  • Enable Set Automatically
  • If it's already enabled, disable it, wait a few seconds and re-enable
  • Enter your OTP code in the Two-Factor Authentication box.

If you are still having 2FA trouble after doing the above please email pool@bitcoin.com