Paris Blockchain Week HACK The BLOCK 2026

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.

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A 36 hour engineering sprint, backed by leading ecosystems and judged by the highest concentration of tech entrepreneurs and investors in Europe.

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Teams do not just compete. They get discovered.

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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

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Teams can register individually or form teams on site recommended 2 to 5 participants.

Judging and Prizes

​Judging criteria Innovation, Execution, Impact, Pitch
Prize details total prize pool over 10,000 euros.

Venue:

​Hack the Block will take place at the inspiring location - La Faïencerie, Rue de Paradis 18, 75010, Paris.

Tracks:

• ​Make Waves
• ​Impact Finance
• ​Secret Track

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Detailed explanations of the tracks will be provided on the day of the hackathon.

​Mentors and technical support will be available throughout the hackathon.