Digital technology has revitalized the landscape of the global economy. As digital currency, such as bitcoin and IOTA, continues to become more prominent in society, conducting further research in this area is vital to promoting economic advancements. Digital Currency: Breakthroughs in Research and Practice is a critical source of academic knowledge on the use of computers, smartphones, and the internet to purchase goods and services using virtual currency. The security and privacy aspects of using digital currency are also explored. Highlighting a range of pertinent topics such as electronic commerce, online transaction payment, and web-based electronic money, this book is an ideal reference source for business executives, financial analysts, business professionals, economists, IT professionals, and researchers interested in emerging trends in digital currency and finance.