About the book: 2022 / Cryptocurrencies – This is a new phenomenon in financial and economic life, which is associated with the emergence of new blockchain technology. This technology eliminates intermediate links between participants in financial transactions and, in principle, makes them inaccessible to control by the state, which, due to the nature of this technology, does not have access to wallets. Thus, the state in the digital economy is faced with a phenomenon that is difficult to regulate based on traditional institutions and ideas about the subject of legal regulation. Moreover, the cryptocurrency itself, despite its established name, is not a currency in the traditional sense - it is a means of payment in the form of a code. It should be noted that for the state, the legal regulation of cryptocurrency is a double problem. That's what this book is about..