There are two use cases for which your phone number is required:

  • It allows us to quickly get in touch with you if we suspect fraudulent use of your account

  • It will be asked in order to set up the 2FA Validation.

  • It makes 3-D Secure protocol possible (i.e. the sending of a confirmation code for online purchases).

For these reasons, it is very important that you make sure that your contact details are always up-to-date in your user profile (learn how to update your information).

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