October 2018
Intermediate to advanced
530 pages
14h 25m
English
Content preview from Blockchain across Oracle
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Lightweight consensus mechanisms
In a business environment, where trust between participants is high or at least partially present, you can come across one of the following more lightweight consensus methods. One of the most well-known consensus mechanisms, besides PoW and (delegated) PoS, is the practical byzantine fault tolerance (PBFT) method. It is used by many enterprise blockchain providers.
The difference between the previously-discussed sophisticated methods and PBFT is that this protocol is much more lightweight, since it does not require nodes to perform computations in order to create and verify blocks of transactions. With PBFT, every peer in the network maintains its own internal state, or their view on the current plan of actions. ...
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