near field communication nfc chip 1 as a result of a physical intervention and thus allowing determination of a used device and software providing communication between a near field communication nfc chip system 3 formed of said near field communication nfc chip 1 and near field communication nfc antenna 2 and the central server where the verification will be made moreover the method of the present invention is the operation method of a system enabling determination of authenticity of products characterized in that it comprises the operation steps of activation of the label comprising the near field communication nfc chip system 3 by the provider through the system access point and installation of the variables generated by the novel encryption algorithm to the near field communication nfc chip 1 when a user wants to make an authenticity check on a product with a banderole comprising an activated near field communication nfc chip system 3 reading of the product label using software developed by a cellular phone tablet etc mobile device or another device supporting near field communication informing the user about the authenticity production date and other required information of the product by means of matching the information found on the label with the information found in the central server through the internet transfer of the media access control mac address intemet protocol ip address and near field communication nfc reader address information of the device performing the label reading operation to the central server formation of new security variables.