Abstract: An authentication system includes a light emitter provided in a transportation means, which emits light having a predetermined emission pattern, a light receiver that receives the emission pattern of the light emitted from the light emitter to convert the emission pattern into a predetermined form of data, and an authentication server configured to receive the data converted by the light receiver and generate authentication information on the data to transmit the generated authentication information to the transportation means.

Abstract: It is capable of authentication by transmitting through light emitted from a flash of a smart mobile according to foregoing solution of the problem, security and stability can be improved in comparison with other authentication systems such as an ID, a password and a public authentication which are necessary to a bank task, a personal authentication, an identity authentication and a transaction remittance. And, even if the smart mobile is lost or a stranger acquiring this are misappropriating, cryptography such as patterns cannot be solved thereby it is not available. Further, carrying is easy to use anywhere regardless of the place because the transaction is available using a flash equipped to the smart mobile.

Abstract: Disclosed are a method of generating social marketing group information of each affiliate store in which credit card payment information is associated with social network information and an after-marketing method intended for a social marketing group. A personal connection-based consumption group is formed by combining credit card members who are a consumption group with social network subscribers who are a personal connection group, and marketing intended for the person connection-based consumption group is conducted. A plurality of social marketing groups are formed for each affiliate store using credit card payment information and social network information. When a member of the social marketing group purchases a product or service in the affiliate store, the affiliate store provides purchasers belonging to the social marketing group with a benefit as the price for advertising expenses.

Abstract: It is capable of authentication by transmitting through light emitted from a flash of a smart mobile according to foregoing solution of the problem, security and stability can be improved in comparison with other authentication systems such as an ID, a password and a public authentication which are necessary to a bank task, a personal authentication, an identity authentication and a transaction remittance. And, even if the smart mobile is lost or a stranger acquiring this are misappropriating, cryptography such as patterns cannot be solved thereby it is not available. Further, carrying is easy to use anywhere regardless of the place because the transaction is available using a flash equipped to the smart mobile.

Abstract: A social sponsor method using a social network service and credit card payment information is provided.

Abstract: Disclosed are a method of generating social marketing group information of each affiliate store in which credit card payment information is associated with social network information and an after-marketing method intended for a social marketing group. A personal connection-based consumption group is formed by combining credit card members who are a consumption group with social network subscribers who are a personal connection group, and marketing intended for the person connection-based consumption group is conducted. A plurality of social marketing groups are formed for each affiliate store using credit card payment information and social network information. When a member of the social marketing group purchases a product or service in the affiliate store, the affiliate store provides purchasers belonging to the social marketing group with a benefit as the price for advertising expenses.