MetaMask Wallet Extension is primarily used for asset management on Ethereum. It has an easy-to-use interface that allows you to interact with decentralized applications on the Ethereum blockchain through MetaMask Extension. MetaMask allows you to securely store, send and receive Ethereum, as well as ERC-20, tokens, ensuring the security of your digital assets. It also has a built-in DEX (Decentralized Exchange) for token swaps, and it integrates with Web3 so that you can easily access Ethereum-based DApps directly from your web browser. The MetaMask Wallet Extension is a must-have for crypto enthusiasts, as it provides a gateway to the decentralised world of blockchain technology. It also has an emphasis on security, with a password protected vault and a seed phrase backup.