Consensus Underground: The Failure Models Behind Raft, PBFT, and Proof-of-Stake

Why Every Consensus Algorithm Starts with a Different Failure Model

For backend and infrastructure engineers evaluating replicated systems or blockchains, this book explains how crash, Byzantine, and permissionless failure models change the safety argument—so you can judge when Raft, BFT, PoS, or no consensus fits. Free PDF/EPUB sample: https://leanpub.com/consensus-algorithm

Consensus algorithms are usually introduced a…