> For the complete documentation index, see [llms.txt](https://virtucloud.gitbook.io/x/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://virtucloud.gitbook.io/x/nodes/network-node.md).

# Network Node

### **In VirtuCloud,**

 **network nodes play critical roles in processing transactions, maintaining the blockchain, and ensuring network integrity.** Within the VirtuCloud ecosystem, there are two primary types of nodes: **full nodes and lightweight nodes.**

**Full nodes** store the entire blockchain, independently validating transactions and blocks according to consensus rules. They contribute significantly to network security by verifying transactions, propagating blocks, and participating in the consensus mechanism.

**Lightweight nodes**, also known as SPV (Simplified Payment Verification) nodes, rely on full nodes to provide block data but do not store the entire blockchain locally. Despite their reduced storage requirements, lightweight nodes still contribute to network security by verifying transactions and relying on full nodes for blockchain data.

Both types of nodes are essential for maintaining decentralization within the VirtuCloud network. They collectively ensure the reliability, security, and integrity of the network's operations, facilitating efficient and trustworthy transactions among participants.

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