METHODS AND PRODUCTS FOR PRODUCT TRACING AND AUTHENTICATION USING CONDUCTIVE INKS

There is provided an authentication method comprising: receiving confirmation from a computing device that a first code has triggered activation of an application running on the computing device; receiving a second code from the computing device; determining whether the second code is present in a non-transitory computer readable medium; and providing the computing device with access to information if the second code is present in the non-transitory computer readable medium.