About the book: 2017 / Blockchain is a multifunctional and multi-level information technology designed for reliable accounting of various assets. Potentially, this technology covers all areas of economic activity without exception and has many areas of application. These include: finance and economics; operations with tangible and intangible assets, accounting in public and private organizations and mixed-type organizations. Essentially, blockchain is a new organizational paradigm for coordinating any type of human activity. It is even possible that this is our future, which is useful to learn about today. The book is addressed to those who are interested in financial instruments and technological innovations, in particular cryptotechnologies.