General purpose payment cards with global brands — Visa, Mastercard, American Express, Discover, JCB, Diners Club, and UnionPay — collectively generated 227.05 billion purchase transactions in 2015. They are projected to generate 604.10 billion purchase transactions in 2025. These card-present and card-not-present payments for goods and services are generated by credit, debit, and prepaid cards. There are also domestic-market-only general purpose cards. They are not counted here. Worldwide there are more than 60 domestic-market-only brands. They include Star, Pulse, Interac, RuPay, Elo,...