Apply to the Arbitrum Citizens Retrofunding Round 1

**WakeupLabs** has successfully built a **Noir verifier in Rust** on Arbitrum, enabling fully onchain Battleship gameplay powered by zero-knowledge technology. Key developments: - ZK-powered game mechanics ensure **private gameplay** while maintaining transparency - Built using **Stylus framework** supporting Rust and C programming languages - Deployed on **Arbitrum** for efficient scaling This represents a significant step forward in **ZK gaming applications**, demonstrating how zero-knowledge proofs can enable complex game logic while preserving player privacy. Developers can now explore building similar ZK-powered applications using the Stylus framework on Arbitrum's infrastructure.

**FairBlock introduces confidential payment infrastructure** on Arbitrum using Rust smart contracts through Stylus. The platform enables: - **Private stablecoin transactions** with enhanced privacy - **Confidential auctions** for DeFi applications - **New DeFi primitives** built with Rust performance FairBlock leverages Arbitrum's Stylus technology to deliver these privacy-focused financial tools, marking a significant step toward confidential DeFi operations on Ethereum's leading L2 solution. [Read the full technical details](https://blog.arbitrum.io/how-fairblock-is-unlocking-confidential-payments-and-auctions-on-arbitrum/)

**Stylus** offers a unique opportunity for collectors of **Infinite Rainbows** by @JimenaBuenaVida: - Physical redemptions begin Monday, Oct 7 at 12:00pm ET - Mint deadline: Sunday, Oct 6 at 12:00pm ET - Exclusive minting available at http://mintstylus.xyz Don't miss this chance to participate in both digital and physical art collection. Mark your calendars and prepare for this limited-time event. *Visit the official website for more details and to participate in the mint.*

Arbitrum is expanding its ecosystem with the addition of MagicEden and a new game from Ubisoft. Key points: - MagicEden, a prominent NFT marketplace, is joining the Arbitrum network - Ubisoft is launching a new game called 'Captain LaserHawk: The G.A.M.E' on Arbitrum - The game, developed by EdenOnline, will feature an upcoming mint For more information about the game and mint process, visit: https://edenonline.ubisoft.com/ **Stay tuned** for further updates on this exciting collaboration between Arbitrum, MagicEden, and Ubisoft.

Arbitrum's autumn season is marked by significant milestones: - **1 billion transactions** on Arbitrum One - **1 million** Infinite Rainbows Stylus NFTs minted - First Layer 2 solution on Uniswap to reach **200 billion in swap volume** These achievements highlight Arbitrum's growing adoption and utility in the blockchain ecosystem. The platform continues to demonstrate its scalability and efficiency as a leading Ethereum Layer 2 solution. *What's next for Arbitrum?* Stay tuned for future developments and potential new records.