Definition ∞ Consensus Nodes are individual computers or servers participating in a blockchain network that validate transactions and maintain the distributed ledger. These nodes collectively verify the integrity of data and agree on the current state of the blockchain. Their function is essential for ensuring the security and immutability of the network. They operate under specific protocol rules to achieve agreement.
Context ∞ The operational integrity of decentralized networks depends heavily on the robustness and distribution of consensus nodes. News often focuses on the number and geographical spread of these nodes, as it directly relates to network decentralization and resistance to attack. Discussions frequently center on how different consensus mechanisms, like Proof of Stake or Proof of Work, influence node participation and network security.
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