Bitcoin Pizza Day is the annual celebration of the first known Bitcoin transaction for physical trade. An engineer and crypto enthusiast Laszlo Hanyecz paid a staggering 10,000 BTC for 2 Papa John pizzas on May 22, 2010. on May 18, 2010, Laszlo Hanyecz, known as the "Bitcoin Pizza Guy", publish a post on the crypto website forum BitcoinTalk. He wanted to trade 10,000 BTC for 2 pizzas. Crypto enthusiast, Jeremy Sturdivant accepted his offer and immediately made a deal. Thus, the world's expensive pizza was ordered. Pizza's price is about $ 100 million today.