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How Does the Concept of ‘Consensus Mechanism’ Relate to the Underlying Blockchain Technology?

The consensus mechanism is the protocol (like PoW or PoS) that ensures network agreement and security in a decentralized blockchain.
Greeks.Live17.11.25

How Does the Concept of ‘Consensus Mechanism’ Relate to the Underlying Blockchain Technology?

A consensus mechanism is the protocol that enables all nodes in a decentralized blockchain network to agree on the single, true state of the ledger, preventing double-spending. It is fundamental to the blockchain's security and operation.

Examples include Proof-of-Work (PoW) and Proof-of-Stake (PoS). The choice of mechanism significantly impacts the network's speed, energy consumption, and decentralization level, which are key factors for a crypto project's viability.

What Is the Difference between PoW and Proof-of-Stake (PoS) Consensus Mechanisms?
How Does a Proof of Stake (PoS) Consensus Mechanism Differ from a Proof of Work (PoW) System?
How Does Proof-of-Stake (PoS) Differ from PoW in Terms of Security and Energy Use?
How Does the Economic Security Model of PoS Differ from PoW?

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