node [English]

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InterPARES Definition

No definition in earlier IP projects. ITrust definition not yet developed.

Other Definitions


  • Condos et al. 2016 (†819 p.6): ...the register as a whole is the blockchain. This chain is stored and continually added to by a network of computers, each of which is known as a node. Each node has, at minimum, a copy of a certain number of the most recent blocks, and some might possess a copy of the entire blockchain...& middot; (p.4): However, unlike a checkbook, the blockchain is distributed among thousands of computers or “nodes” with a process for validating transactions that utilizes a group consensus protocol. (†2131)
  • Nakamoto 2008 (†804 p.1): The longest chain not only serves as proof of the sequence of events witnessed, but proof that it came from the largest pool of CPU power. As long as a majority of CPU power is controlled by nodes that are not cooperating to attack the network, they'll generate the longest chain and outpace attackers. The network itself requires minimal structure. Messages are broadcast on a best effort basis, and nodes can leave and rejoin the network at will, accepting the longest proof-of-work chain as proof of what happened while they were gone. (†2167)
  • Piasecki 2017 (†815 s.v. 2017-02-20 "Blockchain Terminology-a dev): · A Node is a computer running the specialized software used to communicate directly with a Blockchain Network. A Node is often a Wallet, but it doesn't need to be.· Generally, there are two types of Nodes - a Full Node and a Light Node. · A Full Node downloads and stores all of the Blockchain information. It can provide the data to other Nodes in the network as needed. Distributed Blockchain Networks require a web of Full Nodes to be operating at all times to maintain the network. · A Light Node only downloads the core data it needs to validate the current Blockchain status (most often - Block Headers) and any information relating to the Addresses it cares about. It has a much lower memory and network footprint than a Full Node, but it cannot provide all of the information a Full Node might. A set of Full Nodes is till required to maintain the network. (†2102)
  • Walport 2016 (†802 p.60): Transactions are added to the database in blocks, and each block is reviewed by the nodes. The block is only added to the database if the node reaches a consensus that the block only contains valid transactions. (†2126)