The app is not a banknote authenticator. Banknotes are used as a means to launch augmented reality in the smartphone's camera. If you look at the banknote of 200 rubles or 2000, issued by Goznak in 2017, through the camera of your smartphone, you will see 3D models with animation. And now with sound! If there are no banknotes at hand - scan on the screen or print on a printer, the application recognizes even black and white paper copies. This is called augmented reality - with the help of a