Survey of Computer Trust and Reputation Models – The Literature Overview

P2P networks have been rapidly spread in the last few years. Nevertheless, together with its fast development, many security threats have also appeared, compromisingsensitive information and promoting frauds in electronic transactions Trust and Reputation management has arisen as one of the most innovative and accurate solutions to most of these threats. By using a trust and reputation model apeer who wants to interact with another peer in the community has more informationand, therefore, more opportunities to select the right partner to have a transaction with, rather than with a fraudulent one. The paper presents a description of some of the most representative trust and reputation models for P2P networks. It is explained how each of them works, how they manage the concepts of trust and reputation or how they gather information about other peers in the network. If we consider to overcome the uncertainty of risk on the open market, such as market information, we must establish a relationship of trust between users and service providers.