At a 7-Eleven convenience store in Taiwan, you can pick up a 4-inch plushie of Miffy, the bunny character from the Netherlands, a mini bento box charm complete with a realistic chicken drumstick, or a tiny plastic rotary phone. Produced by iCash Corporation (a 7-Eleven affiliate), these keychains are more than just trinkets: Each contains a contactless chip that connects it to Taiwan’s elaborate stored-value payment system.iCash cards, along with those made by competitors like EasyCard and iPASS, can be used to ride the subway and buses, as well as…
