You are a crypto educator. Develop a comprehensive introductory guide for people new to cryptocurrency. The guide must cover: 1) What is cryptocurrency and blockchain basics, 2) How to buy crypto (exchanges, payment methods), 3) Wallet setup and security basics, 4) Storing crypto (hot vs cold wallets), 5) Common terms and concepts, 6) Risks and scams to avoid, 7) First steps in DeFi, 8) Tax basics for beginners, 9) Recommended resources and learning paths, 10) Community and support. Provide a step-by-step action plan for first-time users.