> For the complete documentation index, see [llms.txt](https://gemkeeper-finance.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gemkeeper-finance.gitbook.io/docs/welcome/getting-started/set-up-emerald-mainnet-wallet.md).

# Set up Emerald Mainnet Wallet

To use GemKeeper you need a MetaMask wallet connected to the Emerald Oasis network. For information on MetaMask, visit their [website](https://metamask.io/).

MetaMask by default only supports the Ethereum network. To set up MetaMask to connect to Oasis Emerald please do the following;

Open Metamask and click on the round icon in the top right corner (this will look slightly different for everyone) and then click on **Settings**.

![](https://miro.medium.com/max/444/1*iosrOchnxFIws0g4ioD70Q.jpeg)![](https://miro.medium.com/max/444/1*CpMyoX9Xs4CJY9CRvZ-_nA.jpeg)

Scroll down and click the **Networks** tab. This is where you add and edit custom RPC networks.

![](https://miro.medium.com/max/443/1*BYOhXajEFmEUD4P3yqwWjw.jpeg)

Click on the **Add Network** button. To connect with Oasis Emerald, simply fill out the following details.

![](https://miro.medium.com/max/443/1*LZJY4YOYnUaq0wkvMeowXg.jpeg)

**Network Name:** Emerald Mainnet\
**RPC URL:** [https://emerald.oasis.dev](https://emerald.oasis.dev/)\
**Chain ID:** 42262\
**Symbol:** ROSE

Note that you don’t have to fill out anything for the Block Explorer URL.

![](https://miro.medium.com/max/875/1*f2xSHtt-28tYVMf9mxyUfg.jpeg)

Click **Save**.<br>