Because it takes five times as long[1] to process in the reader, and adoption for register terminals is spotty. EDIT: add reference [1] https://www.quora.com/

Because it takes five times as long[1] to process in the reader, and adoption for register terminals is spotty. EDIT: add reference [1] https://www.quora.com/Why-are-chip-payments-so-slow-in-the-US?share=1 https://www.quora.com/Why-are-chip-payments-so-slow-in-the-U...