Base is an Ethereum-based layer2 Blockchain developed by Coinbase built on Optimistic Rollup technology. It offers high transaction speeds with low fees. It is designed to be a developer-friendly platform that is compatible with the Ethereum Virtual Machine (EVM).

Steps to add BASE to MetaMask:

   1. Open your MetaMask wallet and click on the network dropdown at the top.

   2. Click "Add network", on the network page choose “Base Mainnet” then click “Add” located opposite to Base symbol.

   3. You can add it manually by clicking the "Add the network manually" page by filling out the following details:

             Network name: Base Mainnet

             Network URL: https://mainnet.base.org

             Chain ID: 8453

             Currency symbol: ETH

             Block explorer URL: https://basescan.org

   4. Click "Save" to add the BASE network to your MetaMask wallet.

   Congrats, you have successfully added Base Mainnet to your Metamask Wallet.