Have you ever tried to photocopy money, or just open an image of a $20 to put it into a dumb Photoshop? If so, you're probably familiar with your device's uncanny ability to spot a banknote, and ...
If you have ever attempted a life as a counterfeiter, or done a stupid school project where you tried to print your own money, you already know this: you can’t make a copy of any type of bill, no ...