SCHEDULE OUT NOW! SEE WHERE YOU CAN ATTEND
SCHEDULE OUT NOW! SEE WHERE YOU CAN ATTEND
SCHEDULE OUT NOW! SEE WHERE YOU CAN ATTEND
SCHEDULE OUT NOW! SEE WHERE YOU CAN ATTEND
SCHEDULE OUT NOW! SEE WHERE YOU CAN ATTEND
SCHEDULE OUT NOW! SEE WHERE YOU CAN ATTEND
SCHEDULE OUT NOW! SEE WHERE YOU CAN ATTEND
SCHEDULE OUT NOW! SEE WHERE YOU CAN ATTEND
SCHEDULE OUT NOW! SEE WHERE YOU CAN ATTEND
SCHEDULE OUT NOW! SEE WHERE YOU CAN ATTEND
Arbitrum Open House is a hands-on builder experience featuring virtual workshops, regional buildathons, IRL founder houses, and continued support from Arbitrum for the best teams.
Join the next Open House
Coming to:
Jan 29, 2026 - Feb 19, 2026
Top teams get early access, real support, and the tools to launch fast.
Stay in the know
Build
Online Buildathon
Jan 29, 2025 - Feb 19, 2026
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Form a team or bring your own, build and develop your idea, get support, win prizes, and gain traction.
Register Now
SHIP
IRL Founder House NYC
Mar 5, 2026 - Mar 8, 2026
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Work side by side with mentors, partners, and peers to ship your project, refine your vision, and grow your network.
Register Now
Demo Day
Demo what you built.
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Showcase your product to VCs, ecosystem leaders, and potential partners — live and in person.
ARBITRUM MENTORSHIP
Turn your idea into a launch.
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Top teams continue to get mentorship, funding opportunities, and a direct path to grow inside the Arbitrum ecosystem.
Where we're going next
COMING 2026
London, UK
51.5074° N, -0.1278° W
Coming 2026
SINGAPORE
1.3521° N, 103.8198° E
Stay up to date on news about Open House