Crypto Dictionary
Node
Definition
A computer that participates in the blockchain network.
Deep Dive
A node, in the context of blockchain technology, is a computer or server that participates in the network by running the blockchain's software. These nodes form the backbone of a decentralized network, collectively maintaining and securing the distributed ledger. Each node stores a copy of the blockchain, validates new transactions and blocks, and relays this information to other connected nodes, ensuring that all participants have access to the same, up-to-date, and consistent record.
Examples & Use Cases
- 1A user running Bitcoin Core software on their personal computer
- 2A cryptocurrency exchange operating multiple nodes to process deposits and withdrawals
- 3A blockchain explorer service pulling data directly from a network node.
Related Terms
DecentralizationPeer-to-PeerBlockchainValidator