BLOCKCHAIN
Avinash Kaur, Anand Nayyar, Parminder Singh · 2020
Blockchain, which was invented by Satoshi Nakamoto to serve as the public transaction ledger of Bitcoin, has received a great amount of attention. Blockchain allows transactions to be performed in a decentralized manner. It is currently being applied in various fields such as reputation systems, internet of things (IoT) and financial services. There are still many challenges in blockchain yet to be solved such as security and scalability. This chapter presents the blockchain technology architecture along with the consensus algorithms involved in it. Also, types of blockchain systems and applications are also discussed. Finally, future directions in the field of blockchain are discussed.