XPAY KNOWLEDGE
Industry WIKI
Digital assets and currencies
Understand assets, networks and trading mechanics with sources you can check.
Trading basics
BC Card
BC Card (Korean: 비씨카드) is a South Korean financial services company headquartered in Seoul. South Korea's largest payment processing company, it provides end-to-end payment services, primarily to financial institutions, as well as to local merchants through its subsidiary company Smartro; credit cards, debit cards and prepaid cards; local brand network operation under the brand of "BC";
Payments & settlementDiscover Financial
Discover Financial Services, Inc. was an American bank holding company that offered consumer banking products and owned Discover Card, Pulse, and Diners Club International. In May 2025, the company was acquired by Capital One.