When Andreessen Horowitz established Bitcoin startup 21 Inc., the goal was to turning Bitcoin into an Internet protocol or common language between connected devices, enabling machine-to-machine payments. The company just unveiled its first product and first step on the path to that end. The 21 Bitcoin Computer, which will go on sale Monday for $400 and ship in November, is aimed at developers, not consumers, and offers the Bitcoin protocol as a feature of its Linux-based operating system. Continue reading 21 Bitcoin Computer Enables Machine-to-Machine Payments