Install MathWallet https://mathwallet.org
Switch Network to ‘Arbitrum’, choose wallet
(If you need Arbitrum MathWallet guid, please check here)
![](https://mathwallet.oss-cn-hangzhou.aliyuncs.com/pic/33.png)
Search for MCDEX in the MathWallet App Store-Arbitrum and move the mouse to the QR code
![](https://mathwallet.oss-cn-hangzhou.aliyuncs.com/pic/43.png)
Click the menu in the upper right corner of the wallet-scan
(MCDEX only supports use in areas permitted by law)
![](https://mathwallet.oss-cn-hangzhou.aliyuncs.com/pic/538.jpg)
After scanning the code, the website will automatically connect to the wallet
![](https://mathwallet.oss-cn-hangzhou.aliyuncs.com/pic/433.png)