The purpose of the looking at the future...is to disturb the present!

Gaston Berger (1896-1960), francuski futurolog

Wave Cash App’s Magic Wand to Pay for Stuff

You can tap the star-shaped, NFC-enabled wand at terminals to make contactless payments. It's the first of several tap-to-pay hardware doodads coming from Cash App.
Link :
https://www.wired.com/story/wave-cash-apps-magic-wand-to-pay-for-stuff/