TY JOUR TI Financial and legal regulation of digital financial markets as a factor in ensuring Russia's economic security KW financial security KW digital financial assets KW cryptocurrencies KW shadow banking KW Bank of Russia KW mega-regulation KW economic security KW fintech JO JOURNAL OF MONETARY ECONOMICS AND MANAGEMENT AU Magomedbekov, G.U. AU Makkaeva, R.S. AU Popova, E.Y. PY 2025 IS 0 PB ITBO University