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заведующий кафедрой предпринимательского права Уральского государственного юридического университета (УрГЮУ), директор Евразийского научно-исследовательского центра сравнительного и международного предпринимательского права, заслуженный деятель науки Российской Федерации, доктор юридических наук, профессор

The article analyzes the change in approaches to determining the dominant position in digital markets. The authors indicate the main directions of improving the antimonopoly legislation in these directions. The paper also considers the problems of the quantitative criterion, which in turn leads to the conclusion about the increased role of qualitative criteria for determining the dominant position of the subject. The development of the digital economy forces us to develop other, alternative criteria. These alternative criteria include network effects and the mode of access to big data. In this regard, the authors consider the concept of a network effect, its features. In turn, the possession of big data is seen as a source of abuse in the digital economy.

In 2019, in order to create attractive conditions for the development of the Fintech sector in Singapore, the Payment Services Law was adopted, which consolidated the definition of cryptocurrency (digital payment tokens) and the procedure for its circulation. In addition, this Law established the criteria for distinguishing payment tokens from other virtual objects — securities tokens, utility tokens, game currencies. In the paper, the authors analyze the concept of digital payment tokens as a digital representation of value, consider the rules for transactions with them. It is concluded that the use of this approach makes it possible to minimize difficulties in regulating the turnover of, for example, bitcoins. Based on the Singapore experience, recommendations for the modernization of domestic legislation are proposed. The main difficulty seems to be that the use of the digital value representation mode in relation to cryptocurrency is associated with the need to either establish an extraterritorial regime of regulation in relation to cryptocurrency exchanges, or adopt an international agreement in this area.