Arbitrum Open House NYC Buildathon Rescheduled to February 5-26
Arbitrum Open House NYC Buildathon Rescheduled to February 5-26
🗓️ Buildathon dates shifted

The Open House NYC online buildathon has been rescheduled to run from February 5 to February 26, 2026.
What's included:
- 3 weeks of technical workshops
- Founder go-to-market (GTM) sessions
- Mentorship from Arbitrum Foundation and Offchain Labs
- $60,000 in prizes and grants
The program targets founders and builders looking to develop onchain products, offering hands-on support for turning ideas into working applications.
Small schedule update: Open House NYC’s online Buildathon will now run from Feb 5 to Feb 26, 2026 🗓️ 3 weeks of technical workshops, founder GTM, and mentorships - with $60k in prizes and grants.
Now is the time for you to go from idea → product. Open House 2026 will give you the opportunity to work with mentors, develop your own team, and win prizes of up to $800,000. Learn more about how you can participate in the upcoming NYC Open House buildathon and founder house
Founders & builders - ready to ship onchain? Sign up to our 3-week Open House NYC Online Buildathon starting Jan 29th Get hands-on technical workshops, Founder GTM sessions, mentorship from the Arbitrum Foundation, @Offchain + $60k in prizes and grants openhouse.arbitrum.io/?utm_source=tw…
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