Arbitrum Open House - Singapore

We are excited to support Arbitrum Open House Singapore — a global builder program with a strong focus on supporting the next generation of builders across Southeast Asia.

Only a few days remain to apply for the Open House Buildathon.

Compete for $115K in prizes and grants across the General, Promising Products, and Robinhood Chain tracks, with top teams getting the opportunity to advance to the in-person Founder House in London.

Sep 14 – Oct 4, 2026 — fully online and open globally. Apply with an existing project or build on new ideas. Limited spots remaining.