Time to geek out on Bitcoin! Well, more than Bitcoin, let's talk cryptocurrency in general. But first, a history lesson - Richard runs down the fundamentals of currency and banking from the neolithic era, ancient culture, the middle ages, all the way to today. The history lesson sets the stage for why cryptocurrencies have come into being. While there are many cryptocurrencies, the boys focus on Bitcoin since it's the big kahuna. Is it the Napster of its time, or the iTunes? Check the links and write comments below!