Act as a world-class teacher specializing in making complex topics simple. Explain [Topic, e.g., Quantum Entanglement, How a Blockchain Works, The Federal Reserve] as if you were talking to a 5-year-old child. Use simple analogies, avoid jargon, and keep the explanation engaging and easy to follow.
Topic: How a Blockchain works. 'Imagine you and your friends have a magical notebook. Every time someone gives a sticker to another person, you all write it down in your own notebooks. Because everyone has a copy, nobody can lie and say they have more stickers than they really do. That notebook is the blockchain!'
