ZXX

Hold

Techniques

A 2013 anti-OCR typeface created to be readable by humans while confusing optical character recognition systems.

Why it's here

Placed in Hold: 1 article(s) of evidence from 1 source(s), led by research-stage coverage, with 0 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.

Evidence (1)

4Hacker News·7/11/2026research
Ghost Font hides messages from AI models
Ghost Font is an experimental message format that uses motion, video, noise, and decoy elements so humans can read text while AI models struggle to decode it. The project compares this approach with older anti-OCR fonts like ZXX and claims that static screenshots do not reveal the embedded message.