SAIUN A. THE GLOBAL DIGITAL PAYMENTS MARKET IN THE E-COMMERCE SEGMENT: STRUCTURAL-DYNAMIC ANALYSIS FOR 2018–2030 AND THE TRANSFORMATION OF DOMINANT PAYMENT INSTRUMENTS. SED [Internet]. 2025 Dec. 26 [cited 2026 Jul. 1];3(6):70-83. Available from: https://sed.ieu.edu.ua/index.php/sed/article/view/51