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Blockchain Developer's Guide

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

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Product type Course
Published in Dec 2018
Publisher
ISBN-13 9781789954722
Length 564 pages
Edition 1st Edition
Languages
Concepts
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Authors (4):
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Paul Valencourt Paul Valencourt
Author Profile Icon Paul Valencourt
Paul Valencourt
Brenn Hill Brenn Hill
Author Profile Icon Brenn Hill
Brenn Hill
Narayan Prusty Narayan Prusty
Author Profile Icon Narayan Prusty
Narayan Prusty
Samanyu Chopra Samanyu Chopra
Author Profile Icon Samanyu Chopra
Samanyu Chopra
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Table of Contents (37) Chapters Close

Title Page
Copyright
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 1. Other Books You May Enjoy Index

Limitations of smart contracts


Smart contracts hold tremendous power, but they do have limitations. It is important to note that these systems are only as good as the people building them. So far, many smart contract systems have failed due to unforeseen bugs and events that were not part of the initial design. In many cases, these were merely technical flaws that can at least be fixed in time. However, with the recent rush to use blockchain technology for everything, we are likely to start seeing more substantial failures as people fail to understand the limits of the technology. For blockchain to truly have a maximum business impact, both its advantages and limitations have to be addressed.

Data quality and mistakes

Like all systems, smart contracts are only as good as the data they act on. A smart contract that receives bad or incorrect information from the network will still execute. On blockchain systems, this can be a huge issue as most transactions initiated by a human or a contract...

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