00481naa#a2200157#i#450# EN\RIOR\bibl\88602 20250403140037.4 2500-1469 20241024b2024####ek#y0engy0150####ca RU THE ROLE OF DIGITAL CURRENCIES IN THE MODERN ECONOMY: PROSPECTS AND CHALLENGES Journal article Moscow Publishing Center RIOR 2024 5 с. Journal article local Petrov Aleksandr Mihaylovich rusjm.ru