Cash, cheques, plastic, Paypal – there are already many ways to pay. And now a group of students at Lund University in Sweden have come up with a biometric payment system. It works by touching the screen with your palm and entering the final four digits of your smartphone number. The idea is called Quixter, and is the brainchild of Fredrik Leifland, an engineering student, who wanted to make paying faster and more secure. He explained: “I had the idea when I was queuing in a supermarket. I realised that the most time-consuming part of the whole purchase was paying and I thought there must be a faster way to do this. And that was the start of Quixter.” More