Job Recruitment Website - Ranking of immigration countries - 20 18 what security is used in the area marked with the south African rand 20?

20 18 what security is used in the area marked with the south African rand 20?

2065438+2008 South African Rand 20 is marked with watermark technology for anti-counterfeiting. Watermarking technology can form a transparent watermark on paper money to prevent counterfeiters from copying paper money. In addition, other anti-counterfeiting measures have been adopted for South African rand banknotes, such as special paper, miniature characters, holograms and fluorescent ink.