TY JOUR TI Financial and legal mechanisms for ensuring the economic security of the Russian financial market in the context of sanctions pressure and digital transformation KW economic security KW financial market KW Bank of Russia KW cryptocurrency KW shadow banking KW digital ruble KW mega-regulator KW financial literacy JO JOURNAL OF MONETARY ECONOMICS AND MANAGEMENT AU Lukina, V.D. AU Dzhantemirova, G.R. PY 2025 IS 0 PB ITBO University