Imagine paying a couple of dollars for a meal today and finding out years later that your payment would be worth millions. It is a story from a financial thriller, but this is exactly what happened on May 22, 2010. On this day, a programmer named Laszlo Hanyecz made history by conducting the first-ever real-world transaction in Bitcoin. What seemed like an ordinary exchange—a payment of 10,000 Bitcoins for two giant pizzas—turned out to be one of the most dramatic moments in digital currency history.