Phrase: 

Related:

Operating Definition: With PBFT mechanisms, once the network decides on something, it is final. There is no forking, very strong confidence once something is committed then it will never change. In Nakamoto Consensus or Logos's the probabalistic consensus mechanism starts from low confidence and probabilistic/confidence grows over time (usually builds exponentially) with no real 'set' finality (can implement a threshold of confidence).

Current Implementation:

The Idea(l):

Logos Implementation: 

IMPORTANT Differentiators:

Trash Heap:
With PBFT mechanisms, once the network decides on something, it is final. There are no forks, very strong confidence once something is committed then