

HACK THE BLOCK 2026 Paris Blockchain Week XRPL Hackathon
The flagship hackathon of the Paris Blockchain Week is back.
A unique opportunity for developers from around the world to turn their ideas into real on-chain solutions.
A 36 hour engineering sprint, backed by leading ecosystems and judged by the highest concentration of tech entrepreneurs and investors in Europe.
Teams do not just compete. They get discovered.
Participants regularly walk away with job offers, funding conversations, or pilot integrations, simply by solving real world challenges.
Hack the Block by XRP Ledger is open to:
Developers, engineers, and technical researchers
Founders and early stage teams in Web3 infrastructure
University teams and independent contributors
Participants from all over the world with any technical background no hackathon experience required
Teams can register individually or form teams on site recommended 2 to 5 participants.
Agenda
Saturday, April 11th
08:30 – 09:00 AM: Doors open & breakfast
09:00 AM: Welcome speeches
09:15 – 09:45 AM: Team constitution
10:00 AM: Let's Hack! (Official start)
10:00 – 11:00 AM: Dive into the XRP Ledger Universe (Workshop)
01:00 – 02:00 PM: Lunch break
04:00 – 05:00 PM: Hack the Mentor (Office hours)
07:00 – 08:00 PM: Dinner break
10:00 – 10:30 PM: Wake-Up! (Hacker activity)
Sunday, April 12th
08:30 – 09:00 AM: Coffee & breakfast
11:00 – 11:30 AM: Hack the Mentor (Office hours)
01:00 PM: Final project submission
01:00 – 02:00 PM: Lunch break
02:00 – 04:30 PM: Team pitches
04:30 – 05:30 PM: Jury deliberation
05:30 – 06:00 PM: Winner ceremony
06:00 – 07:00 PM: Cocktail
08:00 PM: Closing
Judging and Prizes
Judging criteria Innovation, Execution, Impact, Pitch
Prize details total prize pool over 10,000 euros.
Tracks:
Make Waves
Impact Finance
Secret Track
Mentors and technical support will be available throughout the hackathon.