High Quality Content by WIKIPEDIA articles! Oberthur Cash Protection is a French manufacturer of Intelligent Banknote Neutralisation Systems to protect cash, based in Dijon, France. Established in 1985, the company holds one of the first IBNS patents to protect valuables by neutralizing them with ink and, as of 2011, is the largest manufacturer of Intelligent Banknote Neutralisation systems in the world, with over 60,000 systems installed.