Bitcoin might be the future. If you really want to understand it, you need to look at its past. Brian Patrick Eha's _How Money Got Free: Bitcoin and the Fight for the Future of Finance_ gives you the background you need to think about Bitcoin today. Intro: Bitcoin. It's interesting, it's powerful, and it's confusing to most people. Luckily, Brian Patrick Eha has written a beautiful history and analysis of bitcoin. Join the Motley Fool's Gaby Lapera as she interviews Mr. Eha about his new book, _How Money Got Free: Bitcoin and the Fight for the Future of Finance_.