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Ethereum

Ethereum is a decentralized platform that allows us to run DApps on top of it. These DApps are written using smart contracts. One or more smart contracts can form a DApp together. An Ethereum smart contract is a program that runs on Ethereum. A smart contract runs exactly as programmed without any possibility of downtime, censorship, fraud, and third-party interference.

The main advantage of using Ethereum to run smart contracts is that it makes it easy for smart contracts to interact with each other. Also, you don't have to worry about integrating consensus protocol and other things; instead, you just need to write the application logic. Obviously, you cannot build any kind of DApp using Ethereum; you can build only those kinds of DApps whose features are supported by Ethereum.

Ethereum has an internal currency called ether. To deploy smart contracts or execute functions of the smart contracts, you need ether.

This book is dedicated to building DApps using Ethereum. Throughout this book, you will learn every bit of Ethereum in depth.

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