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Mastering Blockchain, Fourth Edition

You're reading from   Mastering Blockchain, Fourth Edition Inner workings of blockchain, from cryptography and decentralized identities, to DeFi, NFTs and Web3

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Product type Paperback
Published in Mar 2023
Publisher Packt
ISBN-13 9781803241067
Length 818 pages
Edition 4th Edition
Languages
Concepts
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Author (1):
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Imran Bashir Imran Bashir
Author Profile Icon Imran Bashir
Imran Bashir
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Table of Contents (24) Chapters Close

Preface 1. Blockchain 101 FREE CHAPTER 2. Decentralization 3. Symmetric Cryptography 4. Asymmetric Cryptography 5. Consensus Algorithms 6. Bitcoin Architecture 7. Bitcoin in Practice 8. Smart Contracts 9. Ethereum Architecture 10. Ethereum in Practice 11. Tools, Languages, and Frameworks for Ethereum Developers 12. Web3 Development Using Ethereum 13. The Merge and Beyond 14. Hyperledger 15. Tokenization 16. Enterprise Blockchain 17. Scalability 18. Blockchain Privacy 19. Blockchain Security 20. Decentralized Identity 21. Decentralized Finance 22. Blockchain Applications and What’s Next 23. Index

Challenges

With all this innovation and evolution, it is clear that the future is Web3 and identity will play a vital role in making the ecosystem a reality and will enable novel use cases that were simply not possible in the web 2.0 world. However, some challenges need to be addressed to further improve the SSI ecosystem:

  • Lost device – What if a device (mobile phone) on which all of a person’s VCs are stored is stolen or left behind on a train? It is actually the same as a physical wallet with paper credentials such as a passport, ID card, etc. being lost. Some effort has been made to alleviate this issue, but a lot needs to be done. How can lost credentials be recovered instead of requesting them again from the issuer? It’s probably quicker, due to their digital nature, to get them issued to you again, but still, if there is a possibility of recovery, it would be a much more user-friendly solution.
  • The transition from web 2.0 to Web3 poses some...
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