Mastercard says crypto won't kill cards, just a new add-on [https://www.thestreet.com/.image/t_share/MjE3NDY4MzMwMjc2MDM4MDAw/gettyimages-2224936833.jpg] Mastercard says crypto won't kill cards, just a new add-on Christian Rau says stablecoins aid settlement but won't replace card networks. [https://www.thestreet.com/crypto/innovation/mastercard-says-crypto-wont-kill-cards-new-add-on]
