# How to add KEY to your wallet?

By [Linkkey Protocol](https://paragraph.com/@linkkeyio) · 2022-03-22

---

> _KEY Address: 0x5CA9A8405499a1Ee8fbB1849f197b2b7e518985f_

Network
-------

*   **Network Name:** Polygon
    
*   **New RPC URL:**
    

[**https://polygon-rpc.com**](https://polygon-rpc.com/) or

[https://rpc-mainnet.matic.network](https://rpc-mainnet.matic.network/) or

[https://rpc-mainnet.maticvigil.com](https://rpc-mainnet.maticvigil.com/) or

[https://rpc-mainnet.matic.quiknode.pro](https://rpc-mainnet.matic.quiknode.pro/)

> _Using_ [_https://polygon-rpc.com_](https://polygon-rpc.com) _is most recommended as it aggregates multiple RPC URLs! See below for more information._

*   **ChainID:** 137
    
*   **Symbol:** MATIC
    
*   **Block Explorer URL:** [https://polygonscan.com/](https://polygonscan.com/)
    

MetaMask
--------

![](https://storage.googleapis.com/papyrus_images/e9aeda9e43ef753157e44e8b0ed0396c37a62af8e82d6ff4746e2f6ba5a36b46.png)

![](https://storage.googleapis.com/papyrus_images/fc301d8cb77f6bb1865f7ed40ac6653f51ac67cd0f75e3db6fb19812fe65f58a.png)

![](https://storage.googleapis.com/papyrus_images/a5836a8493857afb9b6b1329bdb4b6194275d52c7950ac7724520fc378420522.png)

---

*Originally published on [Linkkey Protocol](https://paragraph.com/@linkkeyio/how-to-add-key-to-your-wallet)*