Nodes & Validators
Types of Nodes
Read node: A read node can sync the latest events from the blockchain. A read node is usually run locally, unless you expose it to the outside.
Validator node: A validator node can issue new transactions and confirm blocks with the other validators. Transactions and blocks are propagated to other peers in the network. Users can submit transactions to their own validators, or they can submit transactions to a read node or API node, and then the transactions are propagated across the network.
RPC or API node: An API or RPC node is functionally similar to a read node, but is public and acts as the main gateway to the blockchain network. Unlike a read node, an also API node contains all the history of the ledger.
Archive node: An archive node is an API node, which stores a full archive of the network.
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