Watermark (physical)
From Just Solve the File Format Problem
Traditionally, a watermark is a kind of imprinted background mark on (or in) a piece of paper. By extension, the term refers to any type of mark that serves similar purposes, whether it be physical or electronic/digital.
See also
- Digital watermark
- Coded anti-piracy (CAP)
- Counterfeit Deterrence System (CDS)
- EURion constellation
- Printer tracking dots
