Open House’s 3-week online Buildathon starts in 2 days. Early-stage teams building the next-gen of onchain products will get: - Product guidance - Technical/infra readiness - Access to connect with industry leaders - $115K in prizes + invitation to IRL Founder House in London Register today. 👇 https://openhouse.arbitrum.io/?utm_source=twitter&utm_medium=social&utm_campaign=oh-london-buildathon(Arbitrum)