Unlike standard TrueType (.ttf) or OpenType (.otf) fonts, the GZJD file distributed by the Ministry of Justice contains a hidden digital certificate. When installed on an authorized computer, the font communicates with a central validation server. If the font is copied to an unauthorized machine without the corresponding hardware dongle, it either refuses to render or prints a visible "INVALID" watermark across the page.

: Traditional print media, including newspapers, magazines, and books, also benefit from the unique qualities of the GZJD font. Its application in headings, subheadings, or even body text can add a distinctive touch to publications.

To understand the uniqueness of GZJD, compare it to everyday Chinese typefaces: