Mobility

D-Card: A Distributed Mobile Phone Based System for Relaying Verified Friendships

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Executive Summary

Cyber-Physical Networking Systems (CPNSs) closely bridge cyberspace and the physical world. Cyberspace includes not only the Internet, but also telephone networks and short-range communications. CPNSs arise in many application domains, including social networking. Social CPNSs connect people embodied in the physical world with cyber social networking services to facilitate social interactions, including friendship formation. These services can be characterized by their dependence on Internet connections to operate. An important class of social CPNSs are mobile phone based ones. However, there is a lack of friendship verification in mobile phone based social CPNSs that allow miscreants to masquerade as friends.

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