> For the complete documentation index, see [llms.txt](https://company-30.gitbook.io/accessnode/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://company-30.gitbook.io/accessnode/how-it-works.md).

# How It Works

In blockchain networks, a node is a crucial component that validates transactions, stores data, and ensures the integrity of the network. Nodes can take various forms, such as full nodes, validator nodes, or archival nodes, each serving a specific function in maintaining the blockchain.

#### Importance of Nodes

* **Network Security:** Nodes validate transactions and prevent fraud.
* **Decentralization:** Nodes distribute the workload, ensuring the network remains decentralized.
* **Consensus:** Nodes play a role in achieving agreement across the blockchain.

AccessNode operates nodes for the Ethereum blockchain network, contributing to the stability and functionality of the ecosystem.

<figure><img src="https://3985586338-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgX6IDTTiA60mClhXoghf%2Fuploads%2FSaOqG5lez4PPR6jm0wwK%2Frobots-with-boxes.jpg?alt=media&amp;token=93e7fb69-f0ae-4f98-8d8f-da9ef02083f0" alt=""><figcaption></figcaption></figure>