The FTC says that Butterfly Labs took money for Bitcoin mining products like the Monarch, but failed to deliver in a timely fashion, if at all.A federal court has temporarily shut down a Missouri-based business that sold computers specifically designed for aiding users in the generation, or “mining,” of the virtual currency Bitcoin, saying the company took — and spent — customers’ money but waited more than a year to make good on orders for one device and has failed to deliver on another. You can read more about Bitcoin mining in our Bitcoin 101 article, but it’s the method in which the currency is created.