The purpose of this book is to give the reader a general idea of the principles of functioning, purpose and capabilities of the most popular cryptocurrency at the moment bitcoin. Here are the answers to all the main questions of interest to beginners . What is Bitcoin? Where can I get and how to store this cryptocurrency? How to use Bitcoin to buy goods, payment services or invoices? How to organize payment acceptance in this digital currency in your store? What are we risk, accumulating your savings in bitcoins? How to protect yourself from hackers and organize a safe and secure storage of your bitcoins? What are the prospects for this digital technology? The answers to these and many other questions you will find in this small, This is a very useful book .. What is important and interesting about this book? First of all, it allows you to understand in detail , What is Bitcoin ,? How the Network Works , how to create a cryptocurrency wallet and protect it from hacking and a lot, A lot of useful information, It is not just for beginners ,. but also advanced adepts of cryptocurrencies. The book allows: - to get acquainted with bitcoin closer; - to find out what bitcoin can be useful for you; - to learn the rules of security and storage of crypto coins.