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Sept. 30 – Oct. 1

Barcelona, Spain

Build with the Best in Web3

Join hundreds of developers from around the world for a free, two-day experience at the Chainlink Hacker House in Barcelona. Whether you're a beginner or an expert, come learn from the best Web3 engineers and build the future of Web3.

Event agenda

Sept. 30

10am: Opening ceremony

10:30am-12:30pm: Hacking & workshops

12:30-1:30pm: Lunch

1:30-7pm: Hacking & workshops

7-8pm: Dinner

8-11pm: Happy hour, karaoke, workshops

11pm-8am: Overnight hacking

Oct. 1

8-9am: Breakfast

9am-12pm: Morning games & workshops

12-1:30pm: Lunch

1:30-3pm: Hacker's presentations

3pm: Closing ceremony

Including workshops by


Start from zero by joining a two-day training program to learn the fundamentals of Web3, smart contract development, and Chainlink. The perfect entry point for non-Web3 developers!


Participate in hands-on workshops with top Web3 developers, where you’ll learn about and play with the latest products, services, and tooling from leaders in the space.


Ready, set, code! Experience a surge of development and innovation during a 30-hour marathon, with various prizes on offer for the best projects and MVPs.

Learn from the Best

Access the best Web3 devs on the planet and get advice for breaking into the Web3 industry from Chainlink Labs teammates and various other ecosystem partners.


Connect with like-minded individuals and exchange ideas in a low-stakes environment during a happy hour and other events. Who knows, your future co-founder might be there!

Games + Prizes

Embark on thrilling on-chain scavenger hunts and puzzles to become a cross-chain wizard, and win exciting prizes that will make your experience unforgettable. Adventure awaits!

Join us Sept. 30–Oct. 1

Frequently asked questions


General Inquiries

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