Credit, debit, and prepaid cards with Visa, Mastercard, American Express, and Discover brands generated 50.14 billion purchase transactions from January 1 through June 30, 2018—up 3.94 billion or 8.5% over the first six months of 2017. Visa and Mastercard brand debit cards accounted for 61.05% of combined debit and credit purchase transactions, down from 61.06% in 2017. Credit cards accounted for 38.95%, up from 38.94%. Visa debit cards generated 43.20% of all purchase transactions in the first six months of 2018, down from 43.62% in the same period the prior year. Visa credit cards ge...