# Launch Dapp & Connect Wallet

{% hint style="info" %}
This tutorial applies only on Compatible wallet with Custom RPCs such as Metamask Mobile, Metamask Extension, Coinbase Wallet, WalletConnect. etc
{% endhint %}

### **- Visit** [**PSY**](https://mirror.xyz/0xEa8459cbA0A12966c700d1737E88d17Cb29a4E73/sjltfT0zaFNw5Prw9NN6MBdDmgMRD1-ctcVeg2KKRq4)**, then Connect your Metamask Wallet**

<figure><img src="/files/DMGcwXpgNTb7rLuA2x3D" alt=""><figcaption></figcaption></figure>

### 2. **Approve the Metamask Pop-Up**

<figure><img src="/files/0HOc4H0clIaNUNfdW0pU" alt=""><figcaption></figcaption></figure>

### 3. **Setting up RPC**

*How to Set up your Network in Metamask*

1. Open up your Metamask Wallet
2. Click the Network chain to switch between network
3. Scroll down until you find **"Custom RPC"**
4. Fill out the setting as follows:
5. Click **Networks** at the top of your wallet and click **Add Network**.

| Network  | Details                                                                                                                                                                                                                                                                                                                                        |
| -------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Arbitrum | <p><strong>Network Name:</strong> Arbitrum One</p><p><strong>RPC URL:</strong> <a href="https://arb1.arbitrum.io/rpc"><https://arb1.arbitrum.io/rpc></a></p><p><strong>Chain ID:</strong> 42161</p><p><strong>Currency:</strong> ETH</p><p><strong>Explorer:</strong> <a href="https://arbiscan.io/"><https://arbiscan.io/></a> (Optional)</p> |


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