Tired of carrying around a wallet on the work site? Well soon you may not need to, simply pay for stuff with your wrist band.
The Nymi band, (pictured above) is a contactless credit card which allows you to make payments using NFC.
Only you are able to wear it because it uses a sensor to record the electrical activity of the wearer’s heart, the same kind of thing a hospital uses during an ECG. That electrical activity is unique to each individual and allows Nymi to build a ‘Heart ID’, which is used to authenticate the wearer and allow them to make payments.
So basically you’re making payments with your heartbeat.
Read more here.