At a young age, young people are introduced to currency, the system of money used in a country. They learn about coins and bills and their worth. In this valuable volume, readers will learn how and why nations around the world create and distribute currency. They'll also learn how ancient this practice is and how digital currencies are shaking up the world of finance. Accessible language, supportive images, and motivating fact boxes help readers of all levels understand the fundamentals of this beneficial book's most important concepts.