benjamintan.eth (💙,🧡) for Arbitrum

Posted on Aug 28 with Ben Greenberg and Jess Originally published at blog.arbitrum.foundation

Builder's Block #024: Robinhood Chain Commits $1M in Funding to Open House & ArbOS Elara Now Live

#arbitrum #blockchain #startup #ai

📣 What's Important This Week

Key updates from the Arbitrum ecosystem and Foundation

Robinhood Chain Continues to Back the Next Generation of Founders at Open House Singapore

One of the fastest growing chains is backing the next generation of founders. Robinhood Chain has committed $1M in funding to early-stage teams building through Arbitrum's Open House. Teams looking to bring a finance idea onchain can apply to our upcoming 3-week online Buildathon.

➡️ Register for the Online Buildathon to Compete for $115K in Prizes

ArbOS Elara Upgrade is Now Live on the Arbitrum Platform

Following approval through Arbitrum governance, the ArbOS Elara upgrade is now live on the Arbitrum Platform, bringing new capabilities to dedicated blockchains and important improvements to Arbitrum One.

➡️ Read more here

ZK proving is Coming to Arbitrum One & Dedicated Blockchains

This paves the way for private Arbitrum chains and allows for faster Ethereum withdrawals (from days to hours). Thanks to SuccinctLabs and Offchain, Arbitrum chains will be able to implement this new technology soon.

➡️ Read more here

📚 Learn & Build

New learning drops and hands-on resources from across the Arbitrum ecosystem

What Ethereum Developers Need To Know Before Deploying to Arbitrum

The Arbitrum Platform offers a familiar experience for Ethereum devs, but there are a few differences that can impact how contracts behave. From transaction ordering to dynamic pricing, @0xjesstech breaks down what they should know before deploying to Arbitrum One.

➡️ Read the Article

Prototype to Production Fireside with Openzeppelin

AI Writes More Code Now. So What Becomes the Developer's Job?

🛠️ Dev Tooling & Infra

Updates to SDKs, CLIs, and developer workflows across the stack

What Does Multidimensional Gas Pricing Change for Developers?

Nitro v3.11.3 is Now Fully Released

This update improves validator stability, more accurate transaction filtering, and clearer debugging tools through better RPC error messages, tracing, and logging for filtered transactions. The source code is published on GitHub and the standard Docker images are live on Docker Hub.

➡️ See what it brings

🗓️ Events

Workshops, builder and founder programs, and ecosystem meetups to watch

Open House Singapore online Buildathon kicks off September 14

Open House Singapore will kick off with a 3-week, online Buildathon on September 14, designed to help founders refine their direction and iterate towards an MVP. Teams that are looking to bring novel financial products to the Arbitrum Platform are welcome to apply today.

➡️ Register for the online Buildathon

🧵 Forum & Community Discussions

What builders are debating and proposing this week

Arbitrum Security Program

The Arbitrum Foundation proposes to continue and evolve the Arbitrum Audit Program (AAP) - launched on 1 August 2025 with a one-year mandate into a broader Arbitrum Security Program (ASP), running for a further 12 months on a rolling-application basis.

➡️ Read the full proposal

[CONSTITUTIONAL] AIP: Authorize Priority Gas Auctions and Establish the Fast Feed

This AIP proposes to combine two separate actions into a single on-chain vote for the ArbitrumDAO to consider: transitioning Arbitrum One's ordering policy from Timeboost to Priority Gas Auctions and sunsetting Timeboost on Arbitrum Nova; and establishing the Fast Feed, a paid and authenticated data streaming product for Arbitrum One.