Abstract
Cloud manufacturing is a new kind of manufacturing paradigm, in which geographically distributed various manufacturing resources belonging to different enterprises are encapsulated as manufacturing services (service providers) for providing users (service consumers) with services and users are able to find, select, and trade with MSs via Networks on a cloud manufacturing platform. To solve the trust issues between service providers and service consumers, a trust mechanism based on blockchain(BC) for services' information was proposed. Based on the decentralized, distributed storage and non-tamperable of BC, using public BC and consortium BC to construct a trusted mechanism for cloud manufacturing service platforms. Public BC is high credible, consortium BC is efficient and has larger capacity. The trusted mechanism can ensure that the source and storage of the service information is trusted, to solve the problem that the cloud manufacturing platform service data is untrustworthy and easily falsified. It can provide trusted choices to service consumers while operating efficiently and at low cost.
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