METHOD FOR ELECTRONICALLY PRODUCING A SERIAL NUMBER COMPRISING THE IDENTIFICATION OF THE SOFTWARE, CONTENTS OR ELECTRONIC INFORMATION, METHOD FOR PUBLISHING A COUPON ON WHICH SAID SERIAL NUMBER IS PRINTED AND METHOD FOR DECRYPTING SAID SERIAL NUMBER, AND COMPUTER-READABLE RECORDING MEDIUM WHICH RECORDS THE PROGRAM EXECUTING SAID METHOD

摘要

PURPOSE: A method for Internet payment using a serial number written on a materiality such as a printed matter, a magnetic card, and an IC card is provided to enable a user to execute an Internet payment using a serial number of a materiality by enabling a user to write the serial number on a corresponding contents input window or recognize the serial number through a card reader as a contents rental fee or a service charge when the user purchases the materiality and uses Internet contents. CONSTITUTION: An issuing person(300) creates a serial number based on a variable DB. An issuing process(100) is executed using a materiality such as a printed matter, a magnetic card, and an IC card. A user inputs a serial number in a server of a contents provider(200) or a web. The serial number is read and authenticated, and contents are loaded. An issuing amount and a using amount of contents are searched.