Patent ID: 6993500

Claim:
An electronic business transaction system of a trading card for selling, by an electronic business transaction utilizing a computer, a card pack in which a plurality of kinds of trading cards are substantially randomly selected and enclosed, wherein said card pack is sold with a seal so that contents of said trading cards cannot be viewed from outside said system, comprising: a purchase determination screen display generator for displaying a screen to select purchase of said card pack so as to allow a user to make a decision to purchase a card pack; a personal information input display generator for displaying a screen to specify personal information of the user so as to allow the user to input the personal information; a payment method specifying display generator for displaying a screen to specify a payment method of a cost by the user specified by said personal information input display generator so as to allow the user to specify the payment method; a contents confirmation selecting display generator for displaying a screen for confirming contents of said card pack so as to allow the user to select confirmation of the contents after personal information is input by said personal Information input display generator and the payment method is specified by said payment method specifying screen display generator, thereby completing purchase of said card pack; and a contents display generator for displaying at least part of the contents of said trading cards enclosed in said card pack purchased by the user when confirmation of the contents of said card pack is selected.