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You're reading from Blockchain Quick Reference A guide to exploring decentralized blockchain application development

Product type Paperback

Published in Aug 2018

Publisher Packt

ISBN-13 9781788995788

Length 350 pages

Edition 1st Edition

Languages

Solidity

Tools

Blockchain

Concepts

Application Development

Authors (4):

Mariko Amekodommo

Hill

Chopra

Paul Valencourt

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Table of Contents (29) Chapters

Title Page

Packt Upsell

Foreword

Contributors

Preface

1. Blockchain 101 FREE CHAPTER

2. Components and Structure of Blockchain

3. Decentralization Versus Distributed Systems

4. Cryptography and Mechanics Behind Blockchain

5. Bitcoin

6. Altcoins

7. Achieving Consensus

8. Advanced Blockchain Concepts

9. Cryptocurrency Wallets

10. Alternate Blockchains

11. Hyperledger and Enterprise Blockchains

12. Ethereum 101

13. Solidity 101

14. Smart Contracts

15. Ethereum Development

16. Ethereum Accounts and Ether Tokens

17. Decentralized Applications

18. Mining

19. ICO 101

20. Creating Your Own Currency

21. Scalability and Other Challenges

22. Future of Blockchain

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Index

Components of Ethereum

Let's discuss some general components of Ethereum, its primary currency, network, and other details. This will help in understanding Ethereum in a much better way and also help us see how it is different to Bitcoin and why it has a huge community, currently making it the most important cryptocurrency and blockchain project, second only to the Bitcoin blockchain.

Ethereum accounts

Ethereum accounts play a prime role in the Ethereum blockchain. These accounts contain the wallet address as well as other details. There are two types of accounts: Externally Owned Accounts (EOA), which are controlled by private keys, and Contract Accounts, which are controlled by their contract code.

EOAs are similar to the accounts that are controlled with a private key in Bitcoin. Contract accounts have code associated with them, along with a private key. An externally owned account has an Ether balance and can send transactions, in the form of messages, from one account to another. On the...