what is a node in a blockchain

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Blockchain Nodes are network stakeholders. They are devices that are authorized by the network to keep track of distributed ledgers and act as communication hubs for various tasks. The primary function of a blockchain node is to verify the legality and validity of any subsequent batch of transactions. These are known as blocks.


What is a node in blockchain Mcq?

A node can be described as a participant in a network of blockchains. Each node is equipped with its own copy, as well as a copy of the software that runs on a blockchain. Blockchain Each node keeps a current version of all transactions, so that it can verify each transaction independently using the consensus rules of the blockchain.


How nodes are identified in blockchain?

The protocol can explain the explanation differently. A resident network could include a file server, three laptops, and a fax system. The network is made up of five nodes that each have a unique MAC address.


What is node Mcq?

Node. js is a cross platform, back-end JavaScript runtime environment that’s written in JavaScript and CoffeeScript languages. 5) Which one of the following commands is used to install Node. $ js express module $ npm install express.


What does a ledger in a blockchain do?

A blockchain is a type or public ledger. It’s a series of blocks (or chains) in which transaction details are recorded, after being authenticated and verified by the network participants.







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