This is a New York Times technology and business reporter charts the dramatic rise of Bitcoin and the fascinating personalities who are striving to create a new global money for the Internet age. Digital Gold is New York Times reporter Nathaniel Popper"s brilliant and engrossing history of Bitcoin, the landmark digital money and financial technology that has spawned a global social movement. The notion of a new currency, maintained by the computers of users around the world, has been the butt of many jokes, but that has not stopped it from growing into a technology worth billions of dollars, supported by the hordes of followers who have come to view it as the most important new idea since the creation of the Internet. Believers from Beijing to Buenos Aires see the potential for a financial system free from banks and governments. More than just a tech industry fad, Bitcoin has threatened to decentralize some of society"s most basic institutions. An unusual tale of group invention,...