Hybrid Blockchain Consensus Mechanisms Explained: Proof-of-Authority, Proof-of-Activity, and Energy-Efficient Network Security Models
Introduction: Why Hybrid Consensus Matters
As cryptocurrencies and distributed ledgers mature, the debate over the "best" consensus algorithm grows more nuanced. Proof-of-Work (PoW) pioneered decentralized security but consumes vast energy, while Proof-of-Stake (PoS) reduces power draw yet raises questions about long-term fairness. Enter hybrid blockchain consensus mechanisms—protocols