

BTC Pizza Day Hackathon
Join us for the BTC Pizza Day Hackathon to celebrate the day Laszlo Hanyecz paid 10,000 BTC (now worth over $800M) to buy two pizzas in the first real-world use of Bitcoin.
This is a free, casual hackathon where people can use any technology and work on almost anything. The four tracks are:
AI Trading Agents
Entertainment (Games / Short Film Animation)
BTC Apps / Ordinals
Other (General Apps)
Schedule
Wednesday Night
7:00pm: San Juan BitDevs
Meet other attendees
Talk Bitcoin
Start forming ideas and teams
Thursday
9:00am: Doors open at Ralf’s Game Club
10:00am: Idea pitches and collaborator matching
All day: Co-working, vibe coding, networking, and learning
6:00pm to 10:00pm: Game night
Builders can continue working during game night
Friday
9:00am: Doors open at Ralf’s Game Club
9:00am to 3:00pm: Final build time
3:00pm: Presentations and demos begin with special guest judges
7:00pm: Hackathon wraps
After 7:00pm: Free Pizza at Bari in Old San Juan
10:30pm: After Party at Scryer Rum Bar
Partners include Pizza DAO, Tradecraft / Canton, Sai, Bit Angels, Scryer Rum Bar, San Juan BitDevs, Velas Commerce, and RebelShed.
Food & snacks provided throughout the hackathon thanks to our sponsor RebelShed. There is plentiful parking, restaurants, a supermarket, and a beautiful park walking distance from Ralf's.
Come celebrate BTC Pizza Day the way Bitcoin culture has always moved forward: by building something.