criminalwisdom:

ZXX

A font designed to be unable to be read via OCR (Optical Character Recognition):

The name ZXX comes from the Library of Congress’ Alpha-3 ISO 639-2 — codes for the representation of names of languages. ZXX is used to declare No linguistic content; Not applicable.

Free Open Type Font to open up governments.

You can find out more (and download the font yourself) at the project’s page here

(Source: prostheticknowledge)