French company launches ink that cannot be copied

A few days ago, a French company developed an ink that could not be copied. The ink changed the properties of ink by changing some of the molecular structure in the ink, so that the ink was hidden under exposure, and the flash device or scanner of the copier was The beam cannot be copied onto the ink so that the document cannot be copied.

Automation makes people's work and life faster and easier. Various documents can be easily copied, and some documents are not intended to be copied. This desire can finally be achieved by printing documents using this special ink.