Have you tried refreshing your browser and clearing all browser cookies -- have you tried using a different browser? Also, please check your spam folder.
To resend the verification code, follow the directions below:
- Please go to https://exchange.gemini.com/register/confirm-email
- Click "Didn't receive an email? Check your spam folder for firstname.lastname@example.org or resend email."
- Then another verification code will be sent to your desired email address