1. Kochergin D.A. The roles of virtual currencies in the modern payment system. Vestnik Sankt-Peterburgskogo universiteta. Ekonomika = St Petersburg University Journal of Economic Studies (SUJES). 2017;33(1):119-140. (In Russ.). DOI: 10.21638/11701/spbu05.2017.107
2. Duloglu V.M., Vitsko E.A. Development of financial relations and economic systems in the digital economy. In: Digital economy and finance. Proc. 4th Int. sci.-pract. conf. St. Petersburg: Asterion; 2021:17-20. (In Russ.).
3. The share of bitcoin in the cryptocurrency market has updated the maximum. Invest Foresight. Dec. 25, 2020. URL: https://www.if24.ru/dolya-bitkoina-na-rynke-kriptovalyut-obnovilamaksimum/ (accessed on 20.05.2021). (In Russ.).
4. Aksakov A.G., ed. Main trends in the development of the digital economy in the financial sector: Legal aspects of regulation and practical application. Moscow: The State Duma Publ.; 2019. 160 p. (In Russ.).
5. Shevchenko M. Facebook faces difficulty launching Diem cryptocurrency in Europe due to the European Central Bank resistance. 3DNews. Feb. 23, 2021. URL: https://www.3dnews.ru/1033337/etsb-hochet-imet-pravo-veto-na-zapusk-kriptovalyuti-diem-kompaniey-facebookv-evrope (accessed on 20.05.2021). (In Russ.).