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You're reading from  Mastering Blockchain.. - Third Edition

Product typeBook
Published inAug 2020
Reading LevelBeginner
PublisherPackt
ISBN-139781839213199
Edition3rd Edition
Languages
Solidity
Tools
Blockchain
Concepts
Cryptocurrency
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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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Consensus

Consensus is the backbone of a blockchain, as it provides the decentralization of control through an optional process known as mining. The choice of the consensus algorithm to utilize is governed by the type of blockchain in use; that is, not all consensus mechanisms are suitable for all types of blockchains. For example, in public permissionless blockchains, it would make sense to use PoW instead of mechanisms that are more suitable for permissioned blockchains, such as Proof of Authority (PoA) or traditional Byzantine fault-tolerant consensus mechanisms. Therefore, it is essential to choose an appropriate consensus algorithm for a particular blockchain project.

Consensus is a process of achieving agreement between distrusting nodes on the final state of data. To achieve consensus, different algorithms are used. It is easy to reach an agreement between two nodes (in client-server systems, for example), but when multiple nodes are participating in a distributed system...

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Mastering Blockchain.. - Third Edition
Published in: Aug 2020Publisher: PacktISBN-13: 9781839213199
© 2020 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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