TY JOUR TI Financial security in the context of the digital transformation of crime: challenges and systemic protection mechanisms KW Corporate droppery KW financial fraud KW fast payment system KW QR acquiring KW counteraction. JO Bulletin of the Kaliningrad branch of the Saint-Petersburg University of the Ministry of Internal Affairs of Russia AU Alekseeva, A.P. AU Bugera, N.N. PY 2025 IS 0 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION