This book explores the evolution and functioning of money throughout history and around the globe. Author writes about the concept of layered money, which refers to the different forms and levels of money that exist in modern economies. Basically, this provides an intuitive model view of the history, evolution, current state and future of money. As we know gold has been used for thousands of years but civilization found it hard to divide and carry around so they created various layers of money like IOUs issued by the banks with gold on deposit.
