Abstract: Computer implemented methods for protecting and promoting products of a given brand by using machine readable codes, including assigning, by a given brand, a particular value to a machine readable code localized in a packaging of a product; a user scanning the machine readable code by using a mobile computing device having installed therein a processor adapted to read the machine readable code; upon the scanning being performed, establishing communication between the processor and a remote server for storing the scanned code and performing a series of checkings of the scanned code; depending on the result of the checkings the remote server assigns a monetary compensation from the brand to the user that is delivered through the processor; and the processor informing the user about the checking, wherein the machine readable code contains information regarding a marketing campaign of the given brand, a product code and the particular value encrypted.