On May 22, 2010, a programmer bought two pizzas for 10,000 bitcoins. This was the first time Bitcoin was used for a real-world transaction! Although at that time 10,000 bitcoins were worth only $41, today they are worth hundreds of millions. This day marks the transition of Bitcoin from theory to practice, which is of great significance! I hope to gain a deeper understanding of the cryptocurrency ecosystem and gradually learn investment skills. Bitcoin Pizza Day reminds us that great things often start small, and the story of Bitcoin is just beginning!