MetaMask Guides

What is it?

MetaMask was created out of the needs of creating more secure and usable Ethereum-based web sites. In particular, it handles account management and connecting the user to the blockchain. It’s supported in Chrome, Brave, and Safari browsers.


Install MetaMask in Chrome browser

That’s it! You have successfully installed MetaMask extension in Chrome!
Create an account in MetaMask
  • Click on the “Create a wallet” button
  • Create Password of at least 8 characters
  • Click on “Create” and then write down your backup phrase.
  • Select each phrase in order to make sure it is correct then click “Confirm”.
  • Congratulations! You have created your MetaMask account!
  • Pin MetaMask to the browser menu bar.

Use MetaMask for Ethereum network

Example: Go swap page
  • Connect Wallet and select "MetaMask".
  • Unlock your MetaMask account and make sure it is connected to Ethereum Mainnet;
  • Choose the tokens and amount you would like to swap, click "swap now".

Use MetaMask for Binance Smart Chain

Example: Go swap page
MetaMask setting
  • Go to setting page on your MetaMask wallet
  • Go to “Networks” item to add a custom PRC network
  • Enter the following parameter settings and "Save" in the wallet.
Network Name: BSC connect
ChainID: 0x38
Symbol: BNB
Block Explorer:
  • Click "Start trading" on the homepage - and select Binance Smart Chain network, and allow to connect to BSC to OpenOcean.
  • Switch the network to Binance Smart Chain.
  • Once the wallet is connect to BSC, you are good to do swaps!

How to add custom tokens on MetaMask wallet

​ 1. In MetaMask, click on “Import Token”.
​ 2. Copy the contract address in the box and click on “Add Custom Token” and "Import tokens".