Abstract: Data sincerity plays a vital role in easing evidence-based decision making in organizations and governments (e.g., policy making) within a fog environment. One of the main data sources is the Internet of Things (IoT) devices and systems. The ecosystem of the manufacturing industry is expected to be activated through autonomous and intelligent systems such as self-organization, self-monitoring and self-healing. The Fourth Industrial Revolution is beginning with an attempt to combine the myriad elements of the industrial system with Internet communication technology to form a future smart factory. The related technologies derived from these attempts are creating new value. However, the existing Internet has no effective way to solve the problem of cyber security and data information protection against new technology of future industry. In a future industrial environment where a large number of IoT devices will be supplied and used, if the security problem is not resolved, it is hard to come to a true industrial revolution.
Keywords: Block Chai , IOT Data Credibility, Fog Environment, Block Chain for IOT, Secure Block Chain
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