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Mastering Blockchain

You're reading from   Mastering Blockchain A deep dive into distributed ledgers, consensus protocols, smart contracts, DApps, cryptocurrencies, Ethereum, and more

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Product type Paperback
Published in Aug 2020
Publisher Packt
ISBN-13 9781839213199
Length 816 pages
Edition 3rd 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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Toc

Table of Contents (24) Chapters Close

Preface 1. Blockchain 101 2. Decentralization FREE CHAPTER 3. Symmetric Cryptography 4. Public Key Cryptography 5. Consensus Algorithms 6. Introducing Bitcoin 7. The Bitcoin Network and Payments 8. Bitcoin Clients and APIs 9. Alternative Coins 10. Smart Contracts 11. Ethereum 101 12. Further Ethereum 13. Ethereum Development Environment 14. Development Tools and Frameworks 15. Introducing Web3 16. Serenity 17. Hyperledger 18. Tokenization 19. Blockchain – Outside of Currencies 20. Enterprise Blockchain 21. Scalability and Other Challenges 22. Current Landscape and What's Next 23. Index

MetaMask

MetaMask allows interaction with Ethereum blockchain via the Firefox and Chrome browsers. It injects a web3 object within the running websites' JavaScript context, which allows immediate interface capability for DApps. This injection allows DApps to interact directly with the blockchain.

It is available at https://metamask.io/.

Further information is available at https://github.com/MetaMask/metamask-plugin.

MetaMask also allows account management. This acts as a verification method before any transaction is executed on the blockchain. The user is shown a secure interface to review the transaction for approval or rejection before it can reach the target blockchain.

Figure 13.18: MetaMask

It allows connectivity with various Ethereum networks as shown in the following screenshot. This is a screenshot of the MetaMask User Interface (UI), where it allows users to select the network of their choice:

Figure 13.19: MetaMask networks...

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