Mastercard (NYSE:MA) is deepening its partnership with Fiserv (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.

Wall Street’s enthusiasm for stocks with exposure to the rapidly growing world of stablecoins continued on Monday, as shares of Fiserv rallied after the financial-technology giant entered the arena.

Fiserv on Monday unveiled plans to launch a stablecoin, joining a growing number of U.S. companies exploring the technology as the crypto asset moves into the mainstream.