Homeless people wearing barcodes to accept cashless payments

Homeless people are wearing barcodes around their necks in an attempt to increase donations in a cashless society, under an Oxford University backed initiative. A new social innovation project, called Greater Change, hands homeless people a QR code, similar to the kind issued for online tickets. Passersby who wish to give money - but who may not have any change in their pocket - can scan the code using their smart phone, and make an online payment to the person.