I just registered and my mobile number wasn't required, are you sure it's required? EDIT: Oh, you're right. It is required after all. > The number is used to

I just registered and my mobile number wasn't required, are you sure it's required? EDIT: Oh, you're right. It is required after all. > The number is used to verify the account and make sure that it's really you. It gives you access to all Vivaldi services.