CHAPTER 2

Blockchain Is the New Revolution After the Internet

What Is a Blockchain?

The blockchain is the brainchild of Satoshi Nakamoto as referenced in Chapter 1. Satoshi used two separate words, block and chain. With time, the two words have combined into a single word blockchain. Originally, blockchain was devised for bitcoin (cryptocurrency), but it has evolved much bigger since then. A blockchain can be viewed as a publicly available digital ledger that contains a record of the transactions. This kind of database is accessible to anyone, and there is no centralized version of it. In other words, a blockchain is a decentralized technology. It is important to understand that the blockchain technology is not necessarily for financial transactions ...

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