“Can Capital One leverage the Discover payment network to disintermediate Visa and Mastercard by routing its own card volume — and eventually third-party volume — over a proprietary network it now fully owns?”
Founded in 1985 as a credit card issuer by Sears, Discover evolved into a full-spectrum direct bank and payment network operator. The company uniquely operates both sides of the network equation — issuing cards to consumers while also running the Discover and Pulse acceptance networks. Acquisition of Diners Club in 2008 extended global network reach. The 2025 acquisition by Capital One marks a fundamental shift, merging two of the largest US card issuers and combining Discover's payment network infrastructure with Capital One's scale, potentially enabling Capital One to migrate its cards onto the Discover network.