Introduction to Blockchain and IoT

The blockchain is emerging rapidly as a current area of research these days. The blockchain is a technology used to run bitcoin. It is distributed database maintaining a list of record growing continuously called blocks in order to ensure the security of those blocks from revision and tampering. Every block is connected to other blocks by maintaining the hash of the previous block in the chain. This chapter discusses the technical aspects of blockchain and IoT. The IoT is merely not a concept these days. It is the necessity of time in everyday life. The “smartphone” is the most familiar application of IoT in the day-to-day life. The application of IoT is not limited to smart homes. It is ranging from industrial and commercial sectors to agriculture, public safety, and the health sector. The IoT can also be considered as “Internet of Everything (IoE)” because of a wide range of real-life applications of IoT.