It is a celebratory tag related to the anniversary of the first purchase using Bitcoin, when a programmer bought pizza for 10,000 BTC on May 22, 2010. Binance, one of the largest cryptocurrency trading platforms, celebrates this occasion annually through community events, competitions, and giveaways, to remind people of Bitcoin's beginnings and its historical value. This day symbolizes the evolution that the cryptocurrency market has undergone, from buying pizza to becoming a global financial asset. The tag is used to share stories, photos, and special occasions related to this day, enhancing the spirit of the crypto community and reaffirming the importance of early adoption and continuous development in this field.