High Quality Content by WIKIPEDIA articles! Trust Negotiation is an approach to gradually establishing trust between strangers online through the iterative exchange of digital credentials. In contrast to a closed system, where the interacting entities have a preexisting relationship (often proved by typing a username and password), trust negotiation is an open system, and complete strangers can build trust in one another. This is done by disclosing digital credentials. Digital credentials are the computer analog to paper credentials, such as a driver's license, credit card, or student ID. Rather than proving the credential owner's identity, digital credentials assert that their owner possesses certain attributes. A student might receive a credential from his or her university that certifies that they are a student at that university. The student could then use that credential, for example, to prove they are a student in order to qualify for a student discount at an online bookstore. Credentials are digitally signed in order to allow third parties to verify them.

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