As business expertise becomes more specialized and focused, the business scopes and processes are becoming much larger and complicated. As a result, there are needs for multi-party business entities to collaborate with each other in order to complete a complicated business process in supply chains. In a supply chain, the participant can be collaborators, as well as competitors. As a result, some participants can be very concerned with the privacy of their. In this paper, we will use a real supply chain application to show the demand for secure multi-party collaboration systems.
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