> ## Content Index > Fetch the complete content index at: https://blog.arbitrum.foundation/llms.txt > Use this file to discover other available public pages before exploring further. # Builder's Block #006 - Arbitrum Update on L2 Privacy and Devconnect Key Takeaways - URL: https://blog.arbitrum.foundation/builders-block-006-arbitrum-update-on-l2-privacy-and-devconnect-highlights/ - Published: 2025-11-20T17:39:28.000Z - Updated: 2025-11-20T17:39:28.000Z - Author: Arbitrum Foundation - Tags: Builder Newsletter 💡 ****What's Important This Week** 🥷 ****Privacy is not optional anymore** \- Explore zk, FHE and more. 🇦🇷 ArbiVerse Took Over ****Devconnect** ## 📣 Announcements *Key updates from the Arbitrum ecosystem and Foundation.* ### ArbiVerse Recap at Devconnect Buenos Aires ![arbiverse-agenda.jpeg](https://storage.ghost.io/c/d4/cc/d4cc8040-691e-4dd2-8282-0c08d45fc5a8/content/images/2025/11/arbiverse-agenda.jpeg) - **Tech Innovations & Infrastructure:** We explored **Universal Intents** and **ZK** integration for true interoperability. Sessions on **FHE** rails, **Timeboost**, and **custom Arbitrum Chains** highlighted the future of high-performance infrastructure. - **Ecosystem & Builder Tooling:** Builders focused on shipping with Solidity and **Stylus** guides. We also covered the financial layer through **RWAs**, **stablecoin** evolution, and the power of grassroots innovation. ➡️ [Watch the Full ArbiVerse Session](https://x.com/arbitrum/status/1991191437518729684?s=48&t=vXG2ElJMQI%5FC0ORdty5wOw&ref=blog.arbitrum.foundation) Here is the agenda to help you get right to what you’re interested in: - 00:36 - Arbitrum Everywhere overview - 34:30 — Redstone Oracles & Stylus integration progress - 59:20 — Panel: Deploying on Arbitrum One vs. launching your own Chain - 01:35:00 — Workshop: Building private AI Agent payment flows - 01:58:00 — Fireside Chat: ZK proofs coming to Arbitrum - 02:22:52 — Workshop: Refactoring contracts for FHE with Fhenix - 02:54:14 — Building your first Farcaster Miniapp - 03:22:47 — Multichain technical implementation with Wormhole - 03:54:54 — Panel: Challenges of Stylus adoption in a Solidity world ## 📚 Learn & Build *This week, the key themes for builders are clear: Privacy and Cross-Chain Interoperability. These two pillars not only are dominating Devconnect 2025, but also represent critical frontiers for L2 innovation heading into 2026* ### Highlights from Arbitrum’s Privacy Open Space on Smart Contract Confidentiality ![Screenshot 2025-11-19 at 10.50.12.png](https://storage.ghost.io/c/d4/cc/d4cc8040-691e-4dd2-8282-0c08d45fc5a8/content/images/2025/11/Screenshot-2025-11-19-at-10.50.12.png) The Privacy Open Space hosted by Arbitrum brought together builders pushing the boundaries of privacy on Ethereum. Topics included Anonymity vs. Confidentiality, smart contract encryption via FHE, multi-party computation (MPC), compliance-ready privacy, and use cases in gaming, payments, and insurance. ➡️ [Listen to the Space](https://x.com/i/spaces/1OwGWePdnVkxQ?s=20&ref=blog.arbitrum.foundation) ### "The Arbitrum Thesis” - A Builder’s Take by Hunter In this community-made video, OCL contributor Hunter breaks down his take on long-term vision for Arbitrum. A must-watch for new builders and DAO participants looking to understand the ethos driving the ecosystem. ➡️ [Watch on YouTube](https://www.youtube.com/watch?v=Wpky8%5F-Cosc&ref=blog.arbitrum.foundation) --- ## 🔦 Ecosystem Highlights *Fresh launches and standout threads from around the Arbitrum ecosystem.* ### Messari Unpacks the Arbitrum Thesis in a New Report The piece offers a comprehensive look at what the Arbitrum Everywhere framework means in practice for builders, enterprises, DeFi teams, and the DAO. With rich charts, case studies, and data-driven insights, this report is a standout resource for anyone following the ecosystem’s growth. ➡️ [Check the report](https://messari.io/report/arbitrum-everywhere-beyond-the-limits?ref=blog.arbitrum.foundation) ### Curvy v2 Launches Stealth Address Aggregator for Private Onchain Fund Management ![Curvy V2 on Arbitrum](https://storage.ghost.io/c/d4/cc/d4cc8040-691e-4dd2-8282-0c08d45fc5a8/content/images/2025/11/Screenshot-2025-11-19-at-10.51.19.png) Curvy’s latest release on Arbitrum introduces zk-enabled stealth aggregation for private asset control. Users can now manage and split funds via zero-knowledge tech while preserving confidentiality and composability. ➡️ [Explore Curvy v2](https://x.com/0xCurvy/status/1987888567306076479?s=20&ref=blog.arbitrum.foundation) ### Symphony Makes x402 Payments Fully Cross-Chain Symphony became the first protocol to enable fully interoperable x402 payments across chains using Arbitrum. ➡️ [Read the Thread on X](https://x.com/arbitrum/status/1988334204229480495?s=20&ref=blog.arbitrum.foundation) ### Allora Network Brings Onchain Machine Learning to Arbitrum ![allora on arbitrum](https://storage.ghost.io/c/d4/cc/d4cc8040-691e-4dd2-8282-0c08d45fc5a8/content/images/2025/11/allora.jpeg) Allora Network has launched its decentralized AI protocol on Arbitrum, enabling dApps to plug into live prediction feeds and onchain intelligence. Use cases include AI-powered oracles and dynamic price markets. ➡️ [Learn more about Allora](https://x.com/AlloraNetwork/status/1989031377942331682?s=20&ref=blog.arbitrum.foundation) --- ## 🛠️ Dev Tooling & Infra *Updates to SDKs, CLIs, and developer workflows across the stack.* ### Arbitrum Bridge Plugin Unlocks Seamless Cross-Chain UX The Arbitrum Bridge Plugin, demoed by Conuity at X402, enables developers to integrate cross-chain token bridging directly into their dApps. Through an embedded iframe widget, users can bridge assets across chains without leaving the app interface. ➡️ [Try the UX plugin](https://playground.arbitrum.io/bridge?ref=blog.arbitrum.foundation) ### Scaffold-ETH x Arbitrum: dApp Prototyping on L2 If you're a developer, save time by **leveraging** this popular Ethereum development framework. ➡️ [Explore the repo](https://github.com/scaffold-eth/scaffold-eth?ref=blog.arbitrum.foundation) --- ## 🗓️ Events *Workshops, hackathons, and ecosystem meetups to watch.* ### Nov 21st - Let's wrap up DevConnect with ArbiPanadas ![arbipanadas.jpeg](https://storage.ghost.io/c/d4/cc/d4cc8040-691e-4dd2-8282-0c08d45fc5a8/content/images/2025/11/arbipanadas.jpeg) When & Where: ⏰ Friday Nov 21st 📍 Buenos Aires, Argentina 🗓️ RSVP required ➡️ [Register NOW](https://luma.com/ArbiPanadas-BuenosAires?ref=blog.arbitrum.foundation) ### Devconnect Reveals Future of Ethereum: Privacy, AI, Interop, and Governance From Buenos Aires to the world: Devconnect 2025 is packed with future-facing topics for the Ethereum ecosystem. - **Privacy**: zk, FHE, and encrypted smart contracts took center stage. - **Interoperability**: L2s aligned on messaging standards and shared sequencing. - **AI & Infra**: DePIN and onchain AI featured heavily. - **Governance**: Scaling DAOs, coordination tooling, and regulatory UX were hot topics. ➡️ [Check the full agenda](https://devconnect.org/calendar?ref=blog.arbitrum.foundation) --- ## 🧵 Forum & Community Discussions *What builders are debating and proposing this week.* ### Ed Felten Sheds Light on Multi-Constraint L2 Pricing Model on Arbitrum Ed Felten opened the discussion of a flexible pricing framework balancing network inclusion, fairness, and congestion across Layer 2 chains. A must-read for Arbitrum DAO participants and protocol economists. ➡️ [Read the Forum post](https://research.arbitrum.io/t/multi-constraint-pricing/9782?ref=blog.arbitrum.foundation) --- That’s all from Builder’s Block #006\. Thank you for reading, and keep building. Arbitrum Everywhere.