Ziber — The First Blockchain mobile operator

No, you heard right, not Viber, namely Ziber! The company works in the same niche, but does everything differently. Let’s check into it together.
Viber, as well as Skype, provides the opportunity to communicate absolutely freely by having the Internet and the Viber application installed by users on both ends. However, the most relevant service is international calls via Viber or Skype that are made via users’ cell phones who have not installed this application.
Why is it important? I