The Blockchain In IoT
Published 2019 · Computer Science
—the . This chapter discusses blockchain in IoT. It briefly introduces the birth of blockchain technology and its use in Bitcoin. In addition, it describes Bitcoin as an application of blockchain, and distinguishes blockchain as a key technology, one that has various use cases outside of Bitcoin. Next it dives into how blockchains work, and outlines the features of the technology; these features include consensus algorithms, cryptography, decentralization, transparency, trust and smart contracts. The chapter then introduces how blockchain may impact notable use cases in IoT including healthcare, energy management and supply chain management. It reviews the advantages and disadvantages of blockchain technology and highlights security considerations within blockchain and IoT.