Sending and receiving Ether and ERC-20 tokens requires users to have a special Ethereum address called MetaMask. The 12-word seed phrase is necessary for wallet recovery. MetaMask allows users to interact with decentralized apps, manage networks, and change settings. Private keys are stored securely and are used to sign transactions and grant access to funds. Transaction histories and balances of Ether (ETH) and ERC-20 tokens are displayed. MetaMask Chrome Extension|Metamask Wallet | Metamask Login