What Is the Role of a ‘Full Node’ in Network Security?
A full node downloads and validates every single transaction and block according to the network's consensus rules. By independently verifying the entire history, full nodes are essential for maintaining the integrity and security of the blockchain, acting as the ultimate source of truth.
Glossar
Node
Entity ⎊ A Node is an individual participant computer that validates transactions, maintains a copy of the ledger, and contributes to the overall security and decentralization of the cryptocurrency Network.
Full Node
Validation ⎊ A full node is a server or computer running the blockchain's core software, responsible for downloading the entire history of the ledger and independently verifying every transaction and block against the network's consensus rules.
Node Relay
Function ⎊ Node Relay is the essential function performed by full nodes in a decentralized network, involving the receipt, validation, and subsequent re-broadcast of unconfirmed transactions and newly discovered blocks to their peer connections.
Running a Full Node
Operation ⎊ This describes the continuous process of downloading, validating, and storing the entire history of a blockchain, providing the highest level of transactional transparency and security for the operator.
Full Nodes
Function ⎊ Full Nodes perform the essential function of independently validating every transaction and block against the network's complete set of consensus rules, maintaining a fully synchronized copy of the entire distributed ledger.