Types of blockchain
There are several types of blockchains, including public, private, consortium, and hybrid. Let us look at some of the popular types and some examples. In this book, we will deep-dive into Ethereum, the first blockchain to support smart contracts, also called programmable money.
Public blockchains
Public blockchains are open to anyone and are decentralized, meaning they are not controlled by a single entity. Let us look at the most popular blockchains and how they operate.
The following table shows a basic comparison of three popular blockchains, with high-level information. We will take a deep dive into Ethereum in the next chapter, and it will be our focus in the Web3 topics throughout this book.
Figure 1.3 – A public blockchain comparison
Bitcoin (https://bitcoin.org/en/), the first cryptocurrency and the first public blockchain, continues to be the most popular and market leader.
Bitcoin is a digital currency that...