https://mainnet.jp/en/tags/metamask/Recent content in MetaMask on Mainnet.jpHugo -- gohugo.ioenMainnet.jpFri, 05 Jun 2026 14:15:00 +0900https://mainnet.jp/en/web3-altcoin/create-web3-wallet-metamask-secure-connection/Fri, 05 Jun 2026 14:15:00 +0900https://mainnet.jp/en/web3-altcoin/create-web3-wallet-metamask-secure-connection/<img src="https://mainnet.jp/img/thumbnail/create-web3-wallet-metamask-secure-connection-en.png" alt="Featured image of post How to Create Web3 Wallets (MetaMask etc.) and Secure Connection" /><p>To buy NFTs or interact with DeFi, owning a Web3 wallet like MetaMask is mandatory. It acts as both your bank vault and your digital passport. We provide a step-by-step tutorial on setting up MetaMask and maintaining wallet safety.</p> <h2 id="what-is-metamask">What is MetaMask? </h2><p>A software cryptocurrency wallet and browser extension designed to store Ethereum-compatible tokens and sign smart contract transactions.</p> <h2 id="installation-tutorial">Installation Tutorial </h2><h3 id="1-download-from-verified-sources">1. Download from Verified Sources </h3><p>Avoid Google search ads (which often link to phishing sites). Navigate directly to metamask.io or install via official app stores.</p>