How does a country bring its people into the 21st century without pumping huge amounts of carbon into the atmosphere? This challenge is more acute in India than anywhere else. Though India already has the third-largest carbon footprint in the world, around 400 million people still don't have access to reliable electricity.
Bitcoin gets a lot of attention because drug dealers sometimes use to buy and sell drugs on the digital underground. But that's not all it is. Turns out Bitcoin is also the great new hope on Wall Street — a tool that is so powerful, it might even be able to keep traders honest. Well, there's a Bitcoin evangelist making that case.