March 2018
Beginner to intermediate
656 pages
20h 9m
English
Content preview from Mastering Blockchain - Second Edition
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QuorumChain
This is the key innovation in Quorum. It is a BFT consensus mechanism which allows verification and circulation of votes via transactions on the blockchain network. In this scheme, a smart contract is used to manage the consensus process and nodes can be given voting rights to vote on which new block should be accepted. Once an appropriate number of votes is received by the voters, the block is considered valid. Nodes can have two roles, namely Voter or Maker. The Voter node is allowed to vote, whereas the Maker node is the one that creates a new block. By design, a node can have either right, none, or only one.
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