TY JOUR TI On the possibilities of using blockchain technology in the Russian police KW Blockchain KW technology KW police KW security KW digitalization KW data storage KW transaction KW cryptography JO Bulletin of the Kaliningrad branch of the Saint-Petersburg University of the Ministry of Internal Affairs of Russia AU Zhmurko, D.Y. AU Ivanov, I.P. AU Kiryushin, I.I. PY 2023 IS 0 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION