In this setting, moreover, finance takes on a surprisingly artistic quality whether it be the colourful ornateness of 19th-century railway bonds or design classics such as the Quotron trading terminal or much older Brunsviga-Midget System Trinks counting machine.
Your mobile phone, acting as a store of your credit card data, sends it wirelessly to a nearby receiver, which could be another phone, a dedicated terminal, or a payments module embedded in, say, a vending machine.