Arbitrum's Open House offers $415K in prizes to builders

August 31, 2026

Arbitrum is launching Open House, a program bringing $415K in prizes and grants to early-stage teams building on the platform. It begins with a three-week online Buildathon on September 14th, followed by a Founder House in Singapore in October for selected teams. The program targets teams building tokenized, programmable finance or AI apps on Arbitrum.

Sources

Open House is bringing $415K in prizes and grants to early stage teams It starts with a 3-week online Buildathon on September 14th followed by Founder House in Singapore this October for selected teams Teams looking to build tokenized, programmable finance or AI apps on https://t.co/kHVu043Bgdx.com ↗

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