Interchange fees have been the focal point for debate in the card industry, among competition authorities and policy makers, as well as in the economic literatu

The definitive account of the trillion-dollar payment card industry. The payment card business has evolved from its inception in the 1950s as a way to handle pa

Blockchains are the distributed ledger technology that powers Bitcoin and other cryptocurrencies. But blockchains can be used for more than the transfer of toke