Blockchain EssentialsImage by Gerd Altmann from PixabayA node (from Latin nodus \u2014 node) is any computer connected to a blockchain network. The nodes of the decentralized network communicate via P2P protocols to exchange information about blocks and transactions. A node, depending on its type, stores only part or all of the blockchain data.What is a full node?Disclaimer: This section covers situations that apply to the Bitcoin networkA full node is any computer connected to the blockchain network 24\/7 and fully synchronized with it. Full nodes store all blockchain data, starting from the genesis block.Full nodes serve the network for free, download and validate each block with transactions, guided solely by the consensus algorithm, and are completely independent. Full nodes reject conflicting blocks or individual transactions.How do I install a full bitcoin node?A full node in the bitcoin network can be run locally on a physical computer or a virtual server. To run, you need to download the Bitcoin Core client at bitcoin.org and download the entire blockchain. For a full node to work, TCP port 8333 must be open. When using a software firewall, you must grant access to avoid blocking the port.How does the number of full nodes affect the functioning of the network?Full node owners vote to implement new changes to the bitcoin network. The increase in the number of such nodes favors decentralization and complicates the process of adopting protocols only in the interests of certain groups of players.What is a lightweight node?A lightweight node is any computer with special software connected to the blockchain network. Lightweight nodes do not store all blockchain data, but only block headers to authenticate the transactions they contain. Lightweight nodes depend on full nodes and can be misled by confirming transactions that run counter to the consensus algorithm.Is it possible to\u2026<\/p>","protected":false},"excerpt":{"rendered":"
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