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You're reading from  Mastering Blockchain - Fourth Edition

Product typeBook
Published inMar 2023
PublisherPackt
ISBN-139781803241067
Edition4th Edition
Concepts
Blockchain
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Author (1)
Imran Bashir
Imran Bashir
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Imran Bashir

Imran Bashir has an M.Sc. in Information Security from Royal Holloway, University of London, and has a background in software development, solution architecture, infrastructure management, and IT service management. He is also a member of the Institute of Electrical and Electronics Engineers (IEEE) and the British Computer Society (BCS). Imran has extensive experience in both the public and financial sectors, having worked on large-scale IT projects in the public sector before moving to the financial services industry. Since then, he has worked in various technical roles for different financial companies in Europe's financial capital, London.
Read more about Imran Bashir

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Components of a private network

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

  • Network ID
  • The genesis file
  • Data directory to store blockchain data

Even though the data directory does not strictly need 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 can discover boot nodes by default as they are hardcoded in the Geth client, and connects automatically, but on a private network, Geth needs to be configured by specifying appropriate flags and configurations in order for it to discover, or be discoverable by, other peers. We will see how this is achieved shortly.

In addition to the previously mentioned...

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Mastering Blockchain - Fourth Edition
Published in: Mar 2023Publisher: PacktISBN-13: 9781803241067
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Imran Bashir

Imran Bashir has an M.Sc. in Information Security from Royal Holloway, University of London, and has a background in software development, solution architecture, infrastructure management, and IT service management. He is also a member of the Institute of Electrical and Electronics Engineers (IEEE) and the British Computer Society (BCS). Imran has extensive experience in both the public and financial sectors, having worked on large-scale IT projects in the public sector before moving to the financial services industry. Since then, he has worked in various technical roles for different financial companies in Europe's financial capital, London.
Read more about Imran Bashir

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