If you’re building seriously and thinking long term, this one’s for you.
We’re excited to share Arbitrum Open House 2026 - a curated, in-person experience for early stage teams building on and exploring the Arbitrum ecosystem.
It will take place across New York, Dubai, London, and Singapore, offering $1.8 million in prizes and backed by ecosystem partners including Robinhood Chain, LayerZero, OpenZeppelin, Alchemy, GMX, Fhenix, and Dune.
As part of this global series, we’re kicking things off with the NYC Founder House. Whether you’re refining a prototype or preparing for mainnet, it’s designed to help you sharpen your product and move forward with the right support around you.
Selected teams will compete for:
- $340k in prizes and grants
- Direct access to Arbitrum ecosystem leaders
Dual track mentorship covering deep technical guidance and GTM strategy
Dates: March 6-8, 2026
Deadline: February 28, 2026
Happening: In-person, New York
If you’re building on Arbitrum or seriously exploring it, this is your window.
Application in next tweet!
The crypto community recognizing the value of reinvestment is going to strongly correlate with appreciation for Ethereum's rollup-centric roadmap.
So much easier to implement as a rollup versus a POS blockchain.