Research Issues of Information Security Using Blockchain Technique in Multiple Media WSNs

This chapter covers the bibliometric review of papers that has been carried out and some interesting applications and advantages of Blockchain-based WSN that has been reported in the literature. The Blockchain architecture, characteristics, consensus algorithms, cryptocurrency, smart contracts, and use cases are systematically discussed. Classification, advantages and disadvantages of Blockchain are also reported in the literature. The cryptographic principles of Blockchain technology such as SHA, ECC, digital signature, and Merkle tree are included. The fundamental motivation behind this segment is to tell individuals about the basics of Blockchain technology. It introduces the idea of security threats in WSN and how communication links, nodes, and data can be secured with the help of Blockchain. This chapter describes the list of projects and funding agencies worldwide and shows how developing countries are implementing Blockchain-based services.