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

Table 4

Roles of entities of a CSN.

Participants	Roles
Requester/service provider	Publishes an assignment in the network and accommodates services for consumers
Service consumers	Request and inquire data. Then, utilize the data obtained by a data collector
Worker/data collectors	Measures the necessary data of interest in accordance with the defined criteria using smart gadgets
Arbitrator	It is a trusted entity by the requester, consumers, and workers. The role of the arbitrator is to resolve disputes between the requester and the consumer. It also settles the quarrel by downloading the same item requested by the consumer and decides whether the complaint filed is valid or not.