That's it: Miningfarm of Independent Enterprise. Short video from server room (one of three localization in Poland).
More about company in official website:
http://independent-enterprise.com/i/b35bdf46a7ed404
Disclaimer:
Remember, that none company on the world cannot guarantee profits for 100 %.
100% gurantee does not exist and if anyone promises you such a thing - he is a liar.
In any internet project, in which you can earn the money is always a risk of their loss.
Remeber: Do not spend the money, what you couldn’t live without.
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