Two-factor authentication is a security measure used to assure account activity is legitimate and authorized. Cryptal can use E-mail, SMS, or Google Authenticator to provide one-time passcodes.
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For e-mail authentication, the system will e-mail you a code every time you login. |
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For SMS authentication, make sure your phone number is active and can receive SMS texts. The system will ask you to: |
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To use Google Authenticator, download the app to your phone. |
Each Google Authenticator code is valid for 30 seconds, so only use a code while it is displayed. Otherwise, just use the next generated code. |