It would be impossible for shoplifters to reuse old receipts, because the code wouldn’t match the two-digit stamp assigned ...

In the clip, she demonstrates how she manipulates a store receipt by changing the date, which she then uploads into the app for points. Those accumulated points are then used for gift cards.

It seems like receipt printers are pretty popular as hacking targets lately. Aside from the wasted paper, they cooler than plain old blinking LEDs and we’d image there’s a ton of them floating ...