TY JOUR TI Digital Transformation of Payment Systems: Fraud Issues and Detection Prospects KW fraud KW bank cards KW digital transformation KW digital payments KW tokenization KW biometric systems KW transactions KW artificial intelligence KW Internet of things (IoT) JO Bulletin of Kemerovo State University. Series: Humanities and Social Sciences AU Abduragimova, T.I. PY 2025 IS 9 PB Kemerovo State University