Arbitrum Open House London

ConcludedNo public apply link on file

Arbitrum Open House London combined a three-week online Buildathon with a three-day Founder House, technical workshops, mentorship, product sessions, and live pitches. The combined prize and grant pool was $415,000 across general, Robinhood Chain, agentic AI, and milestone-based grant tracks.

Rounds

1 on file

ClosesRoundSizeMechanismStatus

25Jun 2026

Open House London 2026

$415K in prizes and grants

Incubator

Closedsource ↗

Awards

none linked

No award records linked to this profile yet.

FunderArbitrum Foundation

Sources

blog.arbitrum.foundation/open-house-london-registration-is-now-open/
blog.arbitrum.foundation/arbitrum-founder-house-london-apply-now-to-launch-businesses-powering-the-programmable-economy/