USE OF DIGITAL FINANCE FOR DIVERSIFICATION OF PORTFOLIO RISKS AND TRANSACTIONS OPTIMIZATION Authors K. Yarmolinskyi https://orcid.org/0009-0006-0954-1905 O. Heiko https://orcid.org/0000-0001-5362-7809 DOI: https://doi.org/10.32702/2306-6814.2026.6.269 Downloads pdf Published 2026-03-17 Issue No. 6 (2026): Investytsiyi: praktyka ta dosvid Section Статті