Kushnir, O., V. Iakovlev, and S. Chimyshenko. “Theoretical Aspects of Cryptocurrency Circulation in the Context of Money Functions”. Herald of Kiev Institute of Business and Technology 45, no. 3 (November 10, 2020): 47-54. Accessed September 18, 2021. https://herald.kibit.edu.ua/index.php/visnyk/article/view/110.