The 50 largest issuers of Visa, Mastercard, and Discover brand prepaid cards in the U.S. accounted for $175.68 billion in purchase volume at merchants in 2017, up 8.7% from the 2016 ranking of the top 50. That purchase volume was initiated by 5.14 billion purchase transactions, an increase of 9.3% over 2016. Purchase volume averaged $380 per card and $34 per transaction. Cash withdrawals at ATMs or obtained over the counter at financial institutions are not included in purchase volume shown here. Visa, Mastercard, and Discover general purpose prepaid cards in circulation from the 50 largest...