A startup company has launched a consumer credit card with the expectation it will generate most of its revenues from interchange and partnerships with merchants, a tactic more like buy now, pay later (BNPL) companies than issuers that pursue revolving credit outstandings. X1, which is promoting a Visa Signature card, has signed deals with affiliate networks to promote brands including Sephora, Wayfair and Hotels.com in its app. When cardholders make purchases, X1 receives revenue as a distribution partner, which it then shares with cardholders in the form of higher (10X) reward points vers...