The book's core concept is Bitcoin, NFT, Crypto etc, and various types of decentralized digital currency. It explains how this type of system works and explains how it challenges central banks' ability to plan the economy. Ultimately, the book is an educational guide for those who are not developers but want to get more acquainted with this emerging technology. The Introduction to "Book on Decentralized Finance" is the perfect first read for any investor looking for a thorough introduction to the emerging world of decentralized finance. The book covers decentralized finance from basic concepts to in-depth explanations of the various services. It also includes a brief history of finance and a primer on FinTech. The book is organized into chapters that cover various aspects of this emerging area. For instance, the company Synthetix has developed a new kind of derivative made of three assets, each staked by a different individual. This derivative will profit or lose in subsequent market movements. The concept is similar to a "3-D" futures contract.