KYIV, Ukraine, Oct. 15, 2025 (GLOBE NEWSWIRE) -- Kyivstar (Nasdaq: KYIV), Ukraine’s leading digital operator, and global technology company Mastercard have signed a Memorandum of Cooperation, marking the beginning of a strategic partnership between the companies. Their joint efforts will focus on developing innovative technological solutions to strengthen the resilience of the country’s financial infrastructure, promote cashless payments, and expand access to financial services. Kyivstar and Mastercard plan ...