As retailers and consumers grapple with growing acceptance of bitcoin, the cofounder of Andreessen Horowitz makes the case for its legitimacy. It's not what you think.
Bitcoin is an untraceable, all-digital form of money with no government regulation, probably best known as the crypto-currency used to buy illegal drugs on the underground website Silk Road. But it's inching its way toward legitimacy, with major retailers and services like Overstock and Dish Networks now accepting bitcoin payments.