These sparkling green gems can help you to, for example: hurry timers, purchase Premium Tanks, repair your Tanks, transfer Exp, among other things.
You need these! Researching new Tanks requires these precious Data cubes. Complete your Daily Missions and Alliance Missions to gain more.
In the future, we might get currencies such as Alliance, Event, and VIP points! These will help you advance in ways that you can't imagine yet. You might even be able to use your hard earned medals for something important. So stay tuned for future updates!