用Alchemy RPC URL配置MetaMask

1. List your test networks in your Metamask Network List

This setting is off by default. To turn it on, navigate to Settings > Advanced > Show test networks

2. Create Alchemy Mumbai Polygon RPC

First, you will need to create an account on Alchemy. On the Dashboard page, click "+ CREATE APP", configure the app to be on "Polygon Mumbai"

3. Add the HTTP URL to Metamask

On your Alchemy dashboard, click the "VIEW KEY" button to view the RPC URL of your Mumbai node and copy the HTTP. Configure a new Mumbai network on Metamask

• Network Name: Polygon Mumbai (Alchemy Node)

• New RPC URL: Paste your HTTP from Alchemy Here

• Chain ID: 80001

• Currency Symbol: MATIC

• Blockchain Explorer URL: https://mumbai.polygonscan.com/