Why Bitcoin Miners Are Moving to Tiny Towns in Washington StateSarah Zhang5/14/14 4:20pmFiled to: bitcoinelectricityserversdata centersdamsinfrastructure343EditPromoteShare to KinjaToggle Conversation toolsGo to permalinkThere's not much in rural Washington, but there are lot of dams. And dams mean hydroelectric power. Following the lure of cheap electricity, Bitcoin miners and their power-hungry server farms are making out for sleepy little towns in the Pacific Northwest. Although Bitcoin is a digital currency, mining it still has a gigantic physical footprint. That's because computers "mine" Bitcoin by solving a cryptographic equation. To mine more Bitcoin, you need more computing power. Or you can just have more computers. This is what a "multi-GPU mining rig"—basically a bunch of processors hacked together—looks like.