TY JOUR TI Legal issues of circulation and protection of rights of owners of cryptocurrencies and other virtual assets KW civil legal relations KW cryptocurrency KW virtual assets KW tokens KW digital assets KW digital money JO Bulletin of Ufa Law Institute of the Ministry of Internal Affairs of Russia AU Makeeva, I.S. AU Rahimov, E.H. PY 2025 IS 2025 PB Ufa Law Institute of the Ministry of Internal Affairs of Russia