TY JOUR TI PROBLEMS OF LEGAL REGULATION OF REAL ESTATE TRANSACTIONS IN THE CONTEXT OF DIGITALIZATION: ANALYSIS OF LIABILITY RISKS KW real estate digitalization KW electronic registration KW enhanced electronic signature KW smart contracts KW blockchain KW legal risks KW liability KW remote identification KW fraud KW personal data JO STOLYPIN ANNALS AU Usach, S.P. AU Borisova-Zharova, V.G. PY 2025 IS 7 PB Electronic science