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You're reading from Blockchain Developer's Guide Develop smart applications with Blockchain technologies - Ethereum, JavaScript, Hyperledger Fabric, and Corda

Product type Course

Published in Dec 2018

Publisher

ISBN-13 9781789954722

Length 564 pages

Edition 1st Edition

Languages

JavaScript

Tools

Blockchain

Concepts

Blockchain

Authors (4):

Paul Valencourt

Brenn Hill

Narayan Prusty

Samanyu Chopra

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Table of Contents (37) Chapters

Title Page

About Packt

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 Accounts and Ether Tokens

16. Decentralized Applications

17. Mining

18. ICO 101

19. Creating Your Own Currency

20. Scalability and Other Challenges

21. Future of Blockchain

22. Understanding Decentralized Applications

23. Understanding How Ethereum Works

24. Writing Smart Contracts

25. Getting Started with web3.js

26. Building a Wallet Service

27. Building a Smart Contract Deployment Platform

28. Building a Betting App

29. Building Enterprise Level Smart Contracts

30. Building a Consortium Blockchain

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Index

Disadvantages of Ethereum-based tokens

We have discussed the advantages and uses of Ethereum and Ethereum blockchain-based currencies throughout the previous chapters; let's now discuss some disadvantages of Ethereum-based tokens:

Unstable: The Ethereum blockchain is still undergoing lot of changes; this also includes moving the consensus method from the PoW to the PoS system.
Dependability: The ERC20 tokens or any other tokens are based and built on top of Ethereum. This poses a threat, since Ethereum is itself undergoing frequent changes at most times.
Hard forks: Being dependent on another blockchain means, due to hard forks, unforeseen issues can occur.
Sovereignty: Since the tokens are based on Ethereum blockchain, there is no say in future development of these tokens. The decision of whether to choose ERC20 should be based on the application and use case.
Support: Any improvements or requirements for support after the smart contract is published on the blockchain can only be done on the...

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You're reading from Blockchain Developer's Guide Develop smart applications with Blockchain technologies - Ethereum, JavaScript, Hyperledger Fabric, and Corda

Table of Contents (37) Chapters

Disadvantages of Ethereum-based tokens

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Authors (4)

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