PCI is an industry standard designed to make it safer to use credit cards online by making sure that business collecting credit card data transmit and store it securely.

The trademark for a type of matrix barcode (or two-dimensional barcode) first designed in 1994 for the automotive industry in Japan. A barcode is a machine-readable optical label that contains information about the item to which it is attached.

Tap On, Tap Off is one of several names given to the type of contactless payment method that allows you to simply “tap” your contactless payment card (or device) onto a reader at the start of your journey and “tap” again on a reader when you complete your journey. What you are charged for the …