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Mastering Blockchain

You're reading from   Mastering Blockchain Distributed ledger technology, decentralization, and smart contracts explained

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Product type Paperback
Published in Mar 2018
Publisher Packt
ISBN-13 9781788839044
Length 656 pages
Edition 2nd 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 (21) Chapters Close

Preface 1. Blockchain 101 FREE CHAPTER 2. Decentralization 3. Symmetric Cryptography 4. Public Key Cryptography 5. Introducing Bitcoin 6. Bitcoin Network and Payments 7. Bitcoin Clients and APIs 8. Alternative Coins 9. Smart Contracts 10. Ethereum 101 11. Further Ethereum 12. Ethereum Development Environment 13. Development Tools and Frameworks 14. Introducing Web3 15. Hyperledger 16. Alternative Blockchains 17. Blockchain – Outside of Currencies 18. Scalability and Other Challenges 19. Current Landscape and What's Next 20. Another Book You May Enjoy

Setting up a private net

Private net allows the creation of an entirely new blockchain. This is different from testnet or mainnet in the sense that it uses its on-genesis block and network ID. In order to create private net, three components are needed:

  • Network ID.
  • The Genesis file.
  • Data directory to store blockchain data. Even though the data directory is not strictly required to be mentioned, if there is more than one blockchain already active on the system, then the data directory should be specified so that a separate directory is used for the new blockchain.

On the mainnet, the Geth Ethereum client is capable of discovering boot nodes by default as they are hardcoded in the Geth client, and connects automatically, but on a private net, Geth needs to be configured by specifying appropriate flags and configuration in order for it to be discoverable by other peers or to be...

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