A node is a computer or server that participates in a blockchain network by storing, validating, or serving blockchain data.
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Short definition
Node is a node is a computer or server that participates in a blockchain network by storing, validating, or serving blockchain data.
Simple explanation
Nodes help maintain the network and allow wallets, explorers, and apps to access blockchain information.
Why it matters
Nodes are part of the infrastructure behind RPC providers, explorers, validators, and decentralized networks.
Example context
An RPC provider may operate nodes that wallets use to read blockchain data.