TY CONF TI DEVELOPMENT OF A PLATFORM FOR TAXATION OF CRYPTOCURRENCY FUTURES TRADING IN RUSSIA KW information system KW cryptocurrency KW futures trading KW taxation KW regulation JO CHALLENGING ISSUES IN SYSTEMS MODELING AND PROCESSES AU Lemza, S.A. AU Antsiferova, V.I. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov