Builder’s Block #003: Faster Arbitrum Nodes, ReyaChain, Scaffold-ETH & More
📣 Announcements
Key updates from the Arbitrum ecosystem and Foundation.
• Introducing Erigon Nitro for Arbitrum Sepolia

In a major step to enhance client diversity and efficiency, the new v0.1 alpha release shrinks Arbitrum Sepolia archive nodes by 94%, making them incredibly small and fast to sync.
➡️ Read the blog post
• Epoch 3 of DRIP has arrived!
Deposit ETH/stables. Borrow & loop. Repeat.

A huge DeFi program that rewards real DeFi actions on Arbitrum, starting with Season 1: Leverage Looping Strategy
➡️ Read the blog post
• Our first-ever IRL builder experience just wrapped up with Open House Hack India!

100+ teams came to Bengaluru to bring their ideas onchain and compete for $70K in prizes. The result? Arbitrum Everywhere.
➡️ Discover the winners
• The Arbitrum bridge's UX got a big upgrade

Builders can now embed the Arbitrum bridge directly into their apps giving users a seamless onramp without ever leaving.
Integrate with ease. Customize layout. Add routing options.
➡️ Read the blog post
🔦 Ecosystem Highlights
Fresh launches and standout threads from around the Arbitrum ecosystem.
• Reya partnered with Gelato to launch a custom high-performance Arbitrum chain for perpetual trading at scale.

Together with Gelato, Reya achieved sub-100ms block times, 400+ Mgas/s throughput, Enshrined perp-specific logic and Gasless UX for their Arbitrum chain.
➡️ Read about Reya's story
• AI on Arbitrum is accelerating: Finding the Intersection of Blockchain and AI
Read into how AI is making DeFi seamless and why teams like Capx AI, USD.AI, ZyFAI and more call Arbitrum their home.
➡️ Read the blog post
• How Fairblock is Unlocking Confidential Payments and Auctions on Arbitrum

➡️ Read the case study on Fairblock
• How Lit Protocol Coordinates Decentralized Key Management with Stylus

➡️ Read the case study on Lit Protocol
🛠️ Dev Tooling & Infra
Updates to SDKs, CLIs, and developer workflows across the stack.
• BuidlGuidl and Arbitrum just dropped the Arbitrum Extension for Scaffold-ETH!
Deploy, build, and iterate faster than ever on Arbitrum with Scaffold-ETH.
Run the command below and choose hardhat or foundry.
npx create-eth@1.0.4 -e BuidlGuidl/arbitrum-extension
➡️ Peep the github repo
• zk-proofs written in Noir, verified on-chain with Arbitrum Stylus
You can now run advanced cryptography natively inside Stylus contracts, powering private, verifiable & censorship-resistant apps.
➡️ Read the project docs
• Quick 5-min breakdown of EIP-7702 - from EOAs vs Smart Accounts to why this matters for UX, plus a live demo on Arbitrum
If you’ve been curious about EIP-7702, here’s the shortcut you don't want to miss. A video by Ethereum Foundation Founder Success' Abbas Khan.
➡️ Watch the video
🧵 Forum & Community Discussions
What builders are debating and proposing this week.
• Check out the new research on privacy in DAO voting by
@stonecoldpat0, @tallyxyz, @theamyzhao and folks at @initc3org
They show how weighted voting can leak voter choices, introduce a new framework called B-Privacy, and propose ways to make bribery much harder.
➡️ Read the full thread
• Arbitrum Foundation has published a new quorum model on the DAO forum.
The proposed approach moves away from the current approach, where quorum is a percentage of the voteable supply, to quorum as a percentage of delegated voting power (DVP).
➡️ Read the discussion
• AIP: Remove Cost Cap, Update Executors, Disable Legacy USDT Bridge successfully executed
This AIP combines and puts forward three separate proposals for the ArbitrumDAO to consider: Remove Cost Cap on Arbitrum Nova, Update the Upgrade Executors, and Disable Legacy Tether Bridge.
➡️ Check out the vote on Tally
That’s all from Builder’s Block #003. Thank you for reading, and keep building. Arbitrum Everywhere.