The purpose of this book is to give the reader a general idea of the principles of operation, purpose and capabilities of the new computer technology, blockchain. Although this technology was originally developed as the basis of the most famous digital currency, Bitcoin, today it is regarded as something revolutionary that can change the very foundations of doing business and many other aspects of society around the world.

This book provides answers to all the main questions of interest to beginners, the necessary explanations are provided and useful advice is given. However, here you will find not only the theory, but also an overview of all the key practical implementations of blockchain technology at the time of publication of the book, as well as step-by-step guides that will help you try them out with your own hands, understand how blockchain technology works and where it can be usefully applied . Many people think that blockchain technology is something difficult to understand, when in fact anyone can master the basics and understand how to use it. And here this book is your most reliable assistant and advisor.