United States, June 24 -- Mastercard is deepening its partnership with Fiserv, Inc. (NYSE: FI) to integrate its new FIUSD token across a range of Mastercard products and services, expanding stablecoin adoption and utility for their shared customers around the world. By offering FIUSD across Mastercard's global payments network, people and businesses can use the new programmable blockchain-based token across more than 150 million merchants.Mastercard and Fiserv will explore key areas to solve for real-world challenges and opportunities for stablecoin adoption and utility, including:Seamless on and off-ramping: The partnership can enable the efficient on/off-ramping of funds, allowing consumers and businesses to transition smoothly between fi...