Anti-counterfeiting codes and stuff on banknotes.
Witchcraft. Quite interesting though.
( , Thu 25 Jun 2015, 16:28, Share, Reply)
Witchcraft. Quite interesting though.
( , Thu 25 Jun 2015, 16:28, Share, Reply)
Even if you do manage to scan a banknote printing it out of the office printer is probably going to get you caught...
en.wikipedia.org/wiki/Printer_steganography
( , Thu 25 Jun 2015, 16:41, Share, Reply)
en.wikipedia.org/wiki/Printer_steganography
( , Thu 25 Jun 2015, 16:41, Share, Reply)