Here's a surprising fact: the largest bitcoin "mine" in North America is located on the outskirts of Wenatchee, Wash. If you don't know what bitcoin is, it's a virtual currency. At this moment, computers around the world are racing to solve complex algorithms. Whoever wins earns the prize of 25 newly created bitcoins. This digital money can then be traded or used to buy goods directly. But running all those math formulas to make this cyber-currency takes a lot of electricity. And this is where central Washington comes in.