# Full Network Nodes

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*It is possible to verify payments without running a full network node.*

-Satoshi Nakamoto, Bitcoin Whitepaper

In the context of Bitcoin, a **Full Network Node** is defined as a node that performs all the essential tasks outlined in Section 5 of the Bitcoin whitepaper. These tasks include:

1. **Broadcasting New Transactions**: New transactions are disseminated to all nodes in the network.
2. **Collecting Transactions**: Each node gathers new transactions into a block.
3. **Finding Proof-of-Work**: Nodes work on solving a complex proof-of-work for their respective blocks.
4. **Broadcasting Valid Blocks**: Upon finding a valid proof-of-work, the node broadcasts the block to all other nodes.
5. **Validating Transactions**: Nodes only accept blocks if all transactions within them are valid and have not been previously spent.
6. **Creating the Next Block**: Nodes express their acceptance of a block by working on creating the next block in the chain, using the hash of the accepted block as the previous hash.

This structured process ensures that nodes are specifically **designed to certify the records being timestamped on the ledger**. Any other entity that connects to the network is considered a peer of a different type, which can verify transactions without needing a complete copy of the ledger or the ability to build blocks or vote with hash power. This capability is facilitated through **Simplified Payment Verification (SPV)**.


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