Technical requirements
To access the complete code, you will have to install the Hyperledger Fabric/Composer environment on your machine, including prerequisites, and an IDE that's capable of developing Node.js applications (Visual Studio Code is recommended).
The code listed in this chapter is available at https://github.com/PacktPublishing/Hands-On-IoT-Solutions-with-Blockchain/tree/master/ch7/hands-on-iot-blockchain.