Bitcoin is a breakthrough in information theory, says tech writer and investor George Gilder. When Gilder makes tech predictions, it's worth paying attention. In Microcosm: The Quantum Revolution in Economics and Technology (1989) he described how the silicon chip would usher in a new information age. In TELECOSM: How Infinite Bandwidth Will Revolutionize Our World (2000), he predicted the rise of hand-held computers and fiber optics. In Life After Television: The Coming Transformation of Media and American Life (1990), Gilder predicted that "telecomputers" would one day provide a limitless alternative to broadcast television (15 years before the launch of YouTube). In this interview, Gilder talks about why he thinks Bitcoin will change the world.