In order to prevent that published banknoteA banknote (or ‘bill’ as it is often referred to in the US) is a type of negotiable promissory note, issued by a bank or other licensed authority, payable to the bearer on demand. More images are used for counterfeiting purposes the central banks normally regulate the reproduction of banknote images, especially in relation to their size. For example, the reproduction could be authorised if the size of the banknote image is either less than 75% of the banknote or greater than 125%.