# Singapore Is Next for Arbitrum’s Open House: $115K Buildathon Kicks Off Sept. 14

In Brief:Arbitrum's Open House heads to Singapore with a three-week online Buildathon beginning Sept. 14, putting up $115K in prizes plus invitations to an in-person Founder House in the city.Both phases are being bankrolled jointly by the Arbitrum Foundation and Robinhood Chain to the tune of $415K

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| Published | 16 August 2026 |

Source: https://egamers.io/singapore-is-next-for-arbitrums-open-house-115k-buildathon-kicks-off-sept-14/