What it means
A computer that keeps a copy of a blockchain and checks its transactions.
The more independent nodes a network has, the harder it is for anyone to change its records.
How it works
Apps read the chain and send transactions through nodes.
Related terms
| Term | What it means |
|---|---|
| Validator | A computer that checks new transactions and helps add blocks on a proof of stake network. |
| Blockchain | A shared record of who owns what, kept by many computers at once, that no single company can change on its own. |
| RPC | The connection an app uses to talk to a blockchain node: to read balances and send transactions. |
This glossary explains terms in general. It isn't investment, tax or legal advice.