What is a computer network and where do network nodes fit in? A computer network is a system of computers and computing devices that are connected via communication links. These links allow the ...

A Bitcoin node is a computer that runs Bitcoin software, connects to other computers doing the same, and independently verifies every transaction and block against the network's rules. Together, these ...

A computer on the Internet that has a complete or abbreviated copy of the Bitcoin blockchain. As of 2026, there are more than 15,000 discoverable Bitcoin nodes; however, there can be as many as 75,000 ...