The New Method of Sensor Data Privacy Protection for IoT

Table 2

The format of the request sensor data sent by the decentralized applications.

#	Field	Type	Explanation
1	Type	String	Message type and value: state_request
2	Payload	Bytes	The message payload is as follows: (i) Target contract: SCADA
			(ii) Contract view: sensor_latest
			(a) View parameters:
			(b) Requestor: requestor ID
			(c) Sensor: requested sensor ID