Bitcoin pizza is a term used to refer to one of the earliest transactions in the history of Bitcoin, and is often cited as an example of the currency's potential as a means of exchange.
On May 22, 2010, a Bitcoin user named Laszlo Hanyecz offered to pay 10,000 Bitcoins for two Papa John's pizzas, which was the equivalent of around $41 at the time. Another user, known as "Jercos", agreed to the transaction and ordered the pizzas for Hanyecz, who sent the Bitcoins to Jercos' account.
At the time, Bitcoin was still a relatively new and unknown currency, and the transaction was seen as a significant milestone in the currency's early development. In the years since, the value of Bitcoin has skyrocketed, and as of this writing, those 10,000 Bitcoins would be worth millions of dollars.
The term "Bitcoin pizza" has since become a popular meme in the crypto community, and is often used to refer to any transaction involving the purchase of goods or services with Bitcoin. It is also a reminder of the potential of cryptocurrency as a means of exchange, and the importance of early adopters and innovators in the development of new technologies.