This week, 21 Inc. unveiled its Bitcoin computer and left many thinking "Was that it?" For $399, 21 Inc will sell you a tiny computer with a customized chip that allows you to generate roughly 10 cents worth of bitcoin per day. The company envisions, "A future where digital currency serve as a lubricant for a wide variety of electronic transactions..." This article points a few reasons why 21 Inc.'s vision is flawed.