What are Nodes?



Nodes (nodes) are the points at which various data is created, transmitted or received. In the context of cryptocurrencies, this is the name for devices included in the blockchain network. Their classification directly depends on the tasks that each individual node performs.


It is the nodes that underlie the technology and enable blockchain networks to function successfully. Often, nodes are located in structures called “binary trees” (a data structure in which each node has no more than two children or subtrees). Each cryptocurrency has its own nodes that maintain transaction records for a particular token.

The Full node is synchronized with the network and stores a copy of the entire blockchain, in particular, information about records and transactions received based on the consensus protocol. These machines work at least six hours a day, provide security and participate in the data verification process, so they are simply irreplaceable for the network and form its basis.


Lightweight nodes are not so independent, so I react to what most of the miners say. This allows them to temporarily mislead them into accepting invalid transactions or blocks.

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