An Incentive and Reputation Mechanism Based on Blockchain for Crowd Sensing Network

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Parameters</td><td class="align_center">Server-client reputation system</td><td class="align_center">Blockchain-based reputation system</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Network type</td><td class="align_center">Centralized</td><td class="align_center">Decentralized</td></tr><tr><td class="align_left">Server required</td><td class="align_center">Required</td><td class="align_center">Not required</td></tr><tr><td class="align_left">Network problem handling</td><td class="align_center">Single point of failure, which means that the entire system crashes</td><td class="align_center">Connect to another peer</td></tr><tr><td class="align_left">Network features</td><td class="align_center">Easier to implement with typical models of web-based systems</td><td class="align_center">Less expensive system maintenance cost and wider network bandwidth</td></tr><tr><td class="align_left">Reliability and integrity</td><td class="align_center">Existing reviews can be manipulated and the system is less reliable</td><td class="align_center">Review database is maintained by blockchain; therefore, no one can modify the reviews.</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison of centralized with decentralized model of reputation system.</div>

Journal of Sensors

tab5

Table 5

Table 5: An Incentive and Reputation Mechanism Based on Blockchain for Crowd Sensing Network 