Plutus aims to use Ethereum smart contracts for a decentralised reward system used for making contactless payments. The app's token; Plutons, are awarded as a rebate for bitcoin conversions, which can go towards the next purchase like cash back or air miles on an old fashioned credit card. – IBTimes

http://www.ibtimes.co.uk/plutus-combines-bitcoin-ethereum-push-contactless-payments-1542463