On the birth of a U-card: surprisingly, six links need to be connected! 》The article (author @ portal-kay) delves into the mechanism by which a U-card is created and available for consumption by users, pointing out that it involves six key stakeholders: card organizations (such as Visa and MasterCard, responsible for rule making and payment network construction), BIN providers (licensed banks or payment institutions, managing bank card identification numbers and assisting in supervision), and issuing institutions (implementing KYC compliance, custody of fiat currencies, and transaction clearing). Read the full article: http://(wublock123. com)/index. php? m=content&c=index&a=show&catid=47&id=43309