PulseWallet lets you pay with your veins

PulseWallet is a new biometric payments system that lets you pay by waving your hand over a small infrared reader, which uses the curvature of your veins to identify you.

via Tech News Headlines - Yahoo News http://www.theverge.com/2014/1/7/5283092/pulsewallet-lets-you-pay-with-your-veins