Builder's Block #018: What's Next for AI & Open House Buildathon Schedule

📣 Announcements

Key updates from the Arbitrum ecosystem and Foundation.

Open House Buildathon Kicks Off - Schedule & FAQs

3 weeks of technical workshops & mentorship. Everything early-stage teams need to bring their ideas from concept to an onchain business on the Arbitrum Platform. We gathered the workshop schedule and frequently asked questions for you.
Read the FAQs

AI Beyond the Hype: HoC & Frens

Are AI agents ready for real-world use? Can we trust AI with payments, privacy, and online truth? House of Chimera and Arbitrum co-hosted a space to help you understand what's risky and what comes next.
Listen to the X Space

Meet the First Teams of the Arbitrum Mentorship Program Cohort 1

The first cohort of the Arbitrum Mentorship Program is live. 13 early-stage teams (selected from over 900 applicants!) are getting 8 weeks of hands-on technical, product, and go-to-market support to build and launch on Arbitrum.

Check out the first spotlights below:
➡️ Twyne
➡️ Capa
➡️ Tilt
➡️ Kustodia

📚 Learn & Build

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

Verifying what your AI provider Actually Ran

A new article from our Developer Relations team explains how verifiable AI with Lightweight Cryptographic Proofs of Inference would work, based on a new paper from Offchain Labs.
Learn How

Onchain Trust for Offchain Workflows

Syndicate replaced an offchain proving pipeline with a Rust contract on Stylus, and cut verification time from minutes to under a second.
Learn How

90 second Video on x402 on Arbitrum

Learn how Arbitrum settlement works, and what teams shipping payments can get wrong.
Watch the Video

🔦 Ecosystem Highlights

Fresh launches and standout threads from around the Arbitrum ecosystem.

Start Earning Today on Arbitrum

Swap from different chains, access yield opportunities, and manage vaults in one place. All in one place with access to leading protocols like Aave, Morpho, and Pendle.
Start Using Earn

Arbitrum Croses 10 Million Stablecoin Holders

With over 10 million stablecoin holders and $1 trillion transferred in a year, Arbitrum is the finance-native platform where the programmable economy settles.

RobinhoodApp's Innovation Award Winner Advice for Founders

BondCredit won the RobinhoodApp Innovation Award at Founder House New York. Here's what CEO, Nathan Vandy, had to say ahead of Founder House London:

I can only recommend Arbitrum Open House to any serious projects looking to build programmable businesses

Winning the @RobinhoodApp Innovation Award at the New York, honestly shifted our company's trajectory more than I can put in words

So whether you're building a protocol, application or agent, don't sleep on it.

More About Arbitrum Builder Programs

🛠️ Dev Tooling & Infra

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

Case Study: Building With Move on Arbitrum

Rather Labs built a Move-to-WASM compiler, CLI tooling, and a framework for EVM interactions, useful for tokenized assets with tightly scoped mint and burn rights, collateral receipts and settlement workflows with clear permission boundaries.
Read the Full Article

🗓️ Events

Workshops, hackathons, and ecosystem meetups to watch.

Why Building Your MVP With AI Is Not Enough

Arbitrum Foundation hosted a virtual talk on why building your MVP with AI is not enough at Ethereum Mexico hackathon. Registrations are open until June 6th.
Join the Hackathon

🧵 Forum & Community Discussions

What builders are debating and proposing this week.

AIP: Amended Release of Frozen ETH

The ArbitrumDAO is voting on releasing 30,765.67 ETH frozen after the KelpDAO rsETH exploit. The coordinated recovery effort, led by Aave Labs, KelpDAO, LayerZero, EtherFi, and Compound, aims to make affected holders whole. Voting ends May 28th.
Track the AIP’s Progress

That’s all from Builder’s Block #018. Thank you for reading, and keep building. Arbitrum Everywhere.