

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 11th of April
08:30 AM: Doors open & Breakfast Networking
9.30 - 10:00 AM: Welcome Speeches
10:00 AM: Official hackathon launch
10:00 - 11:00 AM: Team leads revolving pitch
11:00 AM - 12:00 PM: Workshops
12:00 PM: Team Constitution deadline
01:00 - 02:00 PM: Lunch break
04:00 - 05:00 PM: Hack the Mentor: office hours
07:00 - 08:00 PM: Dinner break
21:00 - 21:30 PM: Wake-up the Hacker Activity
10:30 PM: Overnight Coding Fun & Doors close, No re-entry
Sunday 12th of April
08:30 - 10:00 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
2:00 - 3:30 PM: First Round Team Pitches
3:30 - 3:40 PM: Group Photo
3:40 - 4:30 PM: Snack time (surprise) + Jury Deliberation
4:30 - 5:30 PM: Winner Pitches and Closing Ceremony
5:30 - 7:30 PM: Cocktail
8:00 PM: Closing
Judging and Prizes
Judging criteria Innovation, Execution, Impact, Pitch
Prize details total prize pool over 10,000 euros.
Themes:
Make Waves
Impact Finance
Secrets
Detailed explanations of the tracks will be provided on the day of the hackathon.
Mentors and technical support will be available throughout the hackathon.