| 摘要 |
Various aspects of the present system provide methods and systems for authenticating online purchase by tracing internet actions to a remote computer and to an individual who operates the computer. One aspect provides a technique to generate fingerprint of computer and its user based on the information collected through the actions a user conducts on internet. Another aspect of the system provides a technique to compute the fingerprints and find relations between users and computers. Another aspect of the system provides a trust ranking to a user based on the consistency of information collected from the user's various actions.
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