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August 25, 2025, 04:53:46 PM |
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What a blockchain “node” really is — without the jargon
A node is simply a computer that connects to a blockchain. It keeps a copy of all transactions, checks that new ones follow the rules, and shares this information with others.
Because thousands of nodes do this at once, the system stays honest: if one tries to cheat, the rest reject it.
People run nodes for different reasons — some want to support the network, others earn rewards, and businesses use them to keep payments reliable.
Without nodes, there is no blockchain. They’re the quiet foundation that makes crypto work.
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