| 摘要 |
A system for processing smartcard transactions stores contracts for the associated smartcard. The contracts specify rules under which a user may purchase services or products. When the user requests a particular product or service, the system obtains a contract for satisfying the request and activates the contract. Upon acceptance of the contract by the user, the system performs processing to obtain payment for and provide access to the requested service or product. A user may perform functions associated with the contracts. Contracts may be created, edited, deleted, or sold to other smartcard owners.
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