Analysis of U.S. law and regulation of Bitcoin and other virtual currencies. Brief history of "money." Explanation of Bitcoin and the effect the Bitcoin protocol will have on the economy and finance. The book begins with an analysis of "What is Money." The concept of "money" is complex. History teaches us that "money" is not always issued as "currency" by a government. Instead, it derives from social customs and needs. Next, the book addresses the concept of Bitcoin, the blockchain, laws and regulations, litigation and the future of the technology. It concludes with a glossary of terms and a comprehensive appendix of relevant legal documents.