The subject of the study is cryptocurrencies from the perspective of the possibility of using them as a means of payment in the context of economy digitalization. The aim of the work is to assess the possible consequences of the further spread of cryptocurrency in the global financial system and to find ways to overcome them. The article analyzes the history of the emergence and development of money circulation systems from the gold standard to modern conditions for the emergence of cryptocurrencies, and also discusses the possibilities of using cryptocurrencies in fraudulent schemes. As a result of the study, the following tasks were solved: a historical analysis of money circulation systems was carried out; modern trends in the development of modern payment systems were revealed; the possibilities of using electronic and virtual money in modern conditions of digital economy development were analyzed; digital fraud opportunities were evaluated; the ways of regulating cryptographic money turnover were revealed. A historical analysis of monetary systems development enables to identify the objective reasons for the emergence of cryptocurrencies and the need to develop a legal and economic mechanism for their regulation in the digital economy development. Description of cryptocurrency fraud schemes enables to identify possible ways to stop them. The problem of organizational development of the settlement of relations in the field of cryptocurrency exchange, which will prepare the Russian financial system, reduce potential risks and learn how to use the benefits arising from the cryptocurrency turnover, is being solved.

Production of poultry products is one of the cost-effective areas of animal husbandry as a more rapid solution to the problem of providing the country’s population with high-value food products. At poultry farms, this allows producing eggs and poultry meat with a low expenditure of labor and other material and technical means per unit of output, that is, almost 2–3 times lower compared to other branches of animal husbandry. Studies of egg production of poultry cross “Highsex Brown” were conducted at the Smetanino poultry farm in the Smolensk region. The aim of the study was to study the effect of protein nutrition of chickens on their egg production and standardization of egg mass, as well as the role of vitamin supplements in the diet of poultry feeding on the quality of the products obtained.

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