Privacy Enhanced Decentralized Identity System

Currently, some public and private organizations have implemented various identification verification solutions to manage identity authentication. The idea of using a third-party identity provider (IdP) to access a relying party (RP) is not new, and both RP and IdP have their benefits as they can only be connected once in a federated identity ecosystem.  While the deployed identity brokerage system has provided participants with great utility, it was pointed out that the principles they designed had several security and privacy gaps. The potential weakness of the federated identity access system comes from a central observation point. It is clear that the federal identity ecosystem needs to evolve to meet the challenges described. In our research, the goal of the project is to establish a decentralized system to solve the identified problems.

Faculty Supervisor:

Marsha Chechik


Lijun Pan


Secure Key Technologies


Computer science


Information and communications technologies


University of Toronto



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