MetaMask Wallet: Complete Beginner’s Guide (2025 Updated)
MetaMask setup 2025: (1) Install browser extension (Chrome/Firefox/Brave), (2) Create wallet – save 12-word seed phrase OFFLINE (never digital), (3) Add networks – Polygon (chainID 137), Arbitrum (42161), Optimism (10), (4) Fund wallet – buy crypto via on-ramp or transfer from exchange. Security checklist: Never share seed phrase, verify contract addresses before signing, use hardware wallet for $10K+, enable transaction simulation, bookmark official sites. Common scams: fake support DMs, phishing sites (metamask.io vs metamаsk.io), approve-all token scams. Connect to DeFi: visit SmartCredit.io, click “Connect Wallet”, approve connection, start lending at 8-15% APY. Immunebytes audited. Visit
