Node definition
Definición
A computer that maintains a copy of the blockchain and validates transactions
Nodes can be full (storing the entire blockchain) or light (storing only headers); they form the backbone of blockchain networks, with Bitcoin having over 15,000 reachable nodes as of 2025. Node Requirements: Bitcoin Full Node: ~500GB storage, 2GB RAM minimum. Ethereum Full Node: ~1TB+ storage, 8GB RAM recommended. Bandwidth: 50GB+ monthly upload/download. Node Distribution (2025): USA: 28%, Germany: 11%, France: 6%, Singapore: 4%, Others: 51%.
Nodes can be full (storing the entire blockchain) or light (storing only headers); they form the backbone of blockchain networks, with Bitcoin having over 15,000 reachable nodes as of 2025. Node Requirements: Bitcoin Full Node: ~500GB storage, 2GB RAM minimum. Ethereum Full Node: ~1TB+ storage, 8GB RAM recommended. Bandwidth: 50GB+ monthly upload/download. Node Distribution (2025): USA: 28%, Germany: 11%, France: 6%, Singapore: 4%, Others: 51%.
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