The present invention discloses a device and a method useful for the provision of secure payment and certification of digital content access, while the devise comprises: at least one IC chip containing an operating system and memory provisions, an interface of a plurality of N plated electrical input contacts (PEICs); interconnected to said IC chip; N is an integer number equal or higher than 1; and, at least one operating system able to process information and recall it, stored on said IC chip; at least one encoding mathematical formula stored on said IC chip that generates a response to input provided by entering a prescribed sequence of electrical inputs to said PEICs by means of said card reader; at least one human interface that prompts the end user to enter data and enables the entry of said data, e.g., by means of an interconnected keypad.