摘要 |
An apparatus and method for performing a transaction service, which includes receiving, by a service server, a transaction ID request for the transaction service with a service provider, from a user terminal, generating a transaction ID in response to the transaction ID request, providing the transaction ID to the user terminal, and receiving a transaction specification that corresponds to the transaction ID, from the service provider. The transaction specification is generated by the service provider using the transaction ID that is provided to the user terminal. |