Log in to your account.

Navigate to the top right corner and click on the profile icon.

Select [Profile Settings].

Make sure that you are in the [Currencies] section.

Choose the currency you want to apply to your profile from the dropdown menu.

Click on [Save Changes] to implement your updated reference currency.

Log in to your Wallex Custody Pro App.

Navigate to the top right corner and click on the profile icon.

Scroll down and make sure that you are in the [Reference Currency] section.

Choose the currency you want to apply to your profile from the dropdown menu.

After navigating back, your choice will automatically be updated.