# 3.Configure RPC network on Metamask

## Configure RPC network on Metamask

### **1.Huobi Eco Chain (HECO)**

Step 1: Click "Ethereum Mainnet" on the top.

![](https://uploader.shimo.im/f/wRYhGOm0kVl66Z5t.png!thumbnail)

Step 2: Select "Custom RPC" .

![](https://uploader.shimo.im/f/5FSZpnX5hHJdFkY3.png!thumbnail)

Step 3: Custom RPC network setting:

* Network name

```
HECO mainnet  // you can set a name you like
```

* New RPC URL

```
https://http-mainnet.hecochain.com
```

* Chain ID

```
128
```

* Symbol (optional)

```
HT
```

* Block explorer URL (optional)

```
https://scan.hecochain.com
```

Here is an example：

![](https://uploader.shimo.im/f/w8ANWkGr1vFsSmSt.png!thumbnail)

Then click "Save".

Step 4: Switch wallet network

Once you finish all the settings above, you need to switch your wallet to HECO mainnet when using any DeFi product or Dapp on HECO chain:

Click "Ethereum Mainnet" on the top of the wallet page, and select the RPC network you have just set.

<img src="https://uploader.shimo.im/f/6DxzJrkE3TYGqR9a.png!thumbnail" alt="" data-size="original">![](https://uploader.shimo.im/f/xZdvXoK9JW7ruaf2.png!thumbnail)

### 2.Binance Smart Chain (BSC)

Step 1: Click "Ethereum Mainnet" on the top.

![](https://uploader.shimo.im/f/wRYhGOm0kVl66Z5t.png!thumbnail)

Step 2: Select "Custom RPC" .

![](https://uploader.shimo.im/f/5FSZpnX5hHJdFkY3.png!thumbnail)

Step 3: Custom RPC network setting:

* Network name

```
Binance Smart Chain  // you can set a name you like
```

* New RPC URL

```
https://bsc-dataseed.binance.org/
```

* Chain ID

```
0x38
```

* Symbol (optional)

```
BNB
```

* Block explorer URL (optional)

```
https://www.bscscan.com
```

Here is an example：

![](https://uploader.shimo.im/f/xqc3ATttwQslp1t5.png!thumbnail)

Then click "Save".

Step 4: Switch wallet network

Once you finish all the settings above, you need to switch your wallet to BSC mainnet when using any DeFi product or Dapp on BSC chain:

Click "Ethereum Mainnet" on the top of the wallet page, and select the RPC network you have just set.

![](https://uploader.shimo.im/f/6DxzJrkE3TYGqR9a.png!thumbnail)![](https://uploader.shimo.im/f/coRnijwiWqRpZgjh.png!thumbnail)