account
buy
buyer
calculation
card
checkout
chip
consumerism
contactless
counter
customer
digital
ecommerce
electronic money
finance
finances
hand
hands
holding
mobile
money
money transfer
nfc
noncash
palm
pay
pay now
payment
paypass
paywave
phone
point
point of sale
purchase
purchaser
radio
reader
retail
rfid
sale
seller
shop
shopper
store
technology
terminal
transaction
transfer
wireless