Trinity College Dublin, Department of Computer Science
Seigneur, Jean-Marc; Jensen, Christian D. 'Trading Privacy for Trust'. - Dublin, Trinity College Dublin, Department of Computer Science, TCD-CS-2004-38, 2004, pp16
Computer Science Technical Report TCD-CS-2004-38
Both privacy and trust relate to knowledge about an entity. However, there
is an inherent conflict between trust and privacy: the more knowledge a first entity
knows about a second entity, the more accurate should be the trustworthiness
assessment; the more knowledge is known about this second entity, the less privacy is
left to this entity. This conflict needs to be addressed because both trust and privacy
are essential elements for a smart working world. The solution should allow the
benefit of adjunct trust when entities interact without too much privacy loss. We
propose to achieve the right trade-off between trust and privacy by ensuring minimal
trade of privacy for the required trust. We demonstrate how transactions made under
different pseudonyms can be linked and careful disclosure of such links fulfils this
The final version of this paper appears in the proceedings of
the 2nd International Conference on Trust Management
published by Springer as
Lecture Notes in Computer Science.
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