> For the complete documentation index, see [llms.txt](https://docs.entropynetwork.io/entropy-light-paper-eng/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.entropynetwork.io/entropy-light-paper-eng/entropy-design/entropy-architecture.md).

# Entropy Architecture

### **Entropy Modular Architecture**

The entropy blockchain network consists of a blockchain framework, an API framework layer, and a business service under a stable designed technology stack, thereby quickly processing all intra-block transaction verification generated within the Entropy and achieving accurate finality.

<figure><img src="/files/hxRHvp50qZ0OFb7dRupB" alt=""><figcaption></figcaption></figure>

### **Entropy System Architecture**

The following is the structure of the basic system that constitutes Entropy, which is divided into three layers: application layer, service layer, and blockchain layer.

<figure><img src="/files/KDmNthCRs3hkNQXeCxkU" alt=""><figcaption></figcaption></figure>