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COMPUTER IMPLEMENTED METHOD OF MAINTAINING INVENTORY RECORDS AND COMPUTER READABLE STORAGE MEDIUM CONTAINING A COMPUTER PROGRAM FOR IMPLEMENTING SAID METHOD
COMPUTER IMPLEMENTED METHOD OF MAINTAINING INVENTORY RECORDS AND COMPUTER READABLE STORAGE MEDIUM CONTAINING A COMPUTER PROGRAM FOR IMPLEMENTING SAID METHOD
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机译:维护库存记录的计算机实现方法和包含计算机程序的计算机可读存储介质,用于实施上述方法
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摘要
A method and apparatus for encoding transactions for goods and services using an e-receipt is provided. A consumer and a merchant conduct a commercial transaction using a distributed data processing system. An electronic receipt is recorded on a removable storage medium at a first data processing system. The electronic receipt contains data concerning the commercial transaction. The removable storage medium is then read at a second data processing system. After validating the electronic receipt, another commercial transaction or another stage of the original commercial transaction may be performed. The electronic receipt may be validated for a warranty claim on goods or services subject to the purchase transaction, and the removable storage medium may be an optical card or a smart card, either of which is able to store thousands of e-receipts and other electronic documents related to a commercial transaction, with the integrity of each guaranteed through digital signature, digital certificate, etc.
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