© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022
I. BashirBlockchain Consensus https://doi.org/10.1007/978-1-4842-8179-6_5

5. Blockchain Consensus

Imran Bashir1  
(1)
London, UK
 

Blockchain consensus is the core element of a blockchain, which ensures the integrity and consistency of the blockchain data. Blockchain being a distributed system, in the first instance, it may appear that we can apply traditional distributed consensus protocols, such as Paxos or PBFT, to address the agreement and total order requirements in a blockchain. However, this can only work in consortium chains where participants are known and limited in number. In public chains, traditional consensus protocols cannot work due to the permissionless ...

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