# Polygon

## Introduction

[**Polygon**](https://polygon.technology/), formerly known as Matic Network, is a Layer 2 scaling solution for Ethereum that offers a highly-scalable and cost-efficient environment for building and deploying decentralized applications (dApps). It aims to provide a seamless experience for users and developers by leveraging a multi-chain approach with Ethereum-compatible sidechains.

### **Chain Information**

{% embed url="<https://wiki.polygon.technology/>" %}
Official Documentation
{% endembed %}

| chainId (int) | chainName (string) | EVM Chains               |
| ------------- | ------------------ | ------------------------ |
| 137           | polygon            | Polygon Mainnet          |
| 80001         | polygon            | Polygon Testnet (Mumbai) |