Please note that these verification codes are one-time passwords to register or access your Stocard account with your mail address. You will receive a new code for each new registration or login attempt. Therefore, please make sure to always use the most recent code we have sent you. After you have entered your mail address in Stocard, you will immediately receive the email with your verification code.
In case you are still having issues entering the code, please try to restart the Stocard app and attempt the login or registration again. You will receive a new verification code for this attempt.