Governments and certified security printers rely on NanoChicago’s advanced security inks—UV/IR, thermochromic, electrochromic, and fluorescent—to safeguard official documents like passports, ID cards, and currency. Enhanced with graphene-based threads, DNA markers, and IR markers, our solutions deliver multilayered, tamper-evident security. These technologies ensure quick and reliable authenticity checks, reinforcing both national and corporate protection against counterfeiting and fraud.