Mastercard said it was expanding its relationship with Fiserv to promote the financial tech company's planned stablecoin, FIUSD.

Mastercard is bringing Fiserv’s brand-new stablecoin to its global payments network, as cryptocurrency adoption picks up steam across traditional finance. The companies said Tuesday they would issue stablecoin-linked cards for shared customers and enable merchants to settle with Mastercard using Fiserv’s new stablecoin FIUSD,

The publicly traded company also said it would let members of its cross-border payments network use stablecoins.