An Implementation of a Sensor Blockchain Network

Considering the exponential growth of Industry 4.0, more and more devices and sensors are encapsulated in standard networks. Devices and sensors are supplying data for the decisions to be made, but this can also represent breaches in the system and can be used to conduct malfunctions over the entire system. This work presents an implementation of a decentralized system overlaid to a classic HTTP network. This methodology allows accepting data only from sensors inside the network. In this implementation, we will read with simulated sensors (using Python) the load on a CPU and send the data to the blockchain network. We will assign to every sensor a blockchain account used in sending and then identifying the data source. Using the advantages of the blockchain is securing the network, the final implementation being less susceptible to attacks such as man in the middle. This research highlights the differences (and their costs) between a bare HTTP network and the presented implementation in a matter of security and costs.