Ever since Bitcoin was created in 2008 it has gotten a lot of buzz. Wall Street, whole governments and even presidential candidates have expressed interest in the viability of the digital currency. But it hasn't exactly changed the world yet. Could it? New York Times reporter Nathaniel Popper has a new book out, Digital Gold: Bitcoin and the Inside Story of the Misfits and Millionaires Trying to Reinvent Money. He joins us to dig into the secretive history of Bitcoin.