| 摘要 |
A method of protecting digital data by utilizing a credit rating system is disclosed. Users of a download service have credit ratings and credit histories. Initially when a user signs up for a download service, the user's credit rating is set to a predetermined level. As the user continues to use the service their credit rating is affected by their behavior. If unauthorized copies of the user's files appear on the Internet, pier to pier networks, or on physical storage means, the user's credit rating will go down. If the user's credit rating drops to a certain level, the content provider can suspend or terminate the user's account. If the user exhibits good behavior by not illegally sharing files they are rewarded. The reward comprises free downloads, exclusive content, reduced subscription fees, digital cash, or prizes. As a result, digital data is protected and illegal file sharing is prevented.
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