Arbitrum Builders Bounty Challenge Launched

Kaito has released December's Top 150 Arbitrum Yappers list, with eligible creators now able to claim their share of the 700,000 ARB bounty. **Key Details:** - Claims are now live on the [Kaito platform](https://yaps.kaito.ai/arbitrum) - Top 150 creators from December are eligible for rewards - This is part of Arbitrum x Kaito Season 2 - Accounts associated with Arbitrum (e.g., employees) are not eligible **Notable Top Yappers Include:** - @Defi_Warhol, @ripeth, @Solofunk, @DeFi_Dad - @CupOJoseph, @OVGNFT, @0xALTF4 - And 143 other creators Eligible creators should visit Kaito to verify their status and claim their ARB tokens.

A leading trading card game (TCG) from Solana has launched on ApeChain, gaining access to Arbitrum's infrastructure. **Key Details:** - The game can now tap into Arbitrum's liquidity pools and established user base - This marks a significant cross-chain expansion for the Solana-native project - ApeChain operates as a layer-2 solution built on Arbitrum technology **Background:** ApeChain joined the Arbitrum ecosystem in early 2024, with Horizen Labs leading growth initiatives focused on gaming projects. The partnership aims to strengthen the Ape community's presence within the broader Ethereum ecosystem. This move demonstrates the growing trend of projects expanding beyond their native chains to reach new audiences and leverage different platform capabilities.

Arbitrum has emerged as a significant settlement layer for stablecoin infrastructure, processing substantial transaction volumes for major platforms. **Key Metrics:** - $7.8B+ stablecoin market cap on network - $74B+ in 30-day transfer volume - 7.75M+ holders The network's liquidity infrastructure supports stablecoin operations for platforms including PayPal and Circle. This shared liquidity pool enables predictable settlement for payment applications. The growth reflects broader trends in stablecoin adoption, with annual transfer volumes reaching tens of trillions globally. Users benefit from faster settlement times, reduced fees, and international accessibility compared to traditional payment systems. [Learn more about Arbitrum's settlement infrastructure](https://rebrand.ly/arbitrumsettlement)

**Session App** is launching quantum-resistant messaging capabilities powered by **Arbitrum**. This development builds on Session's previous work with onchain private messaging that began in March 2024. The integration with Arbitrum's Layer 2 infrastructure aims to provide enhanced security against future quantum computing threats. - Quantum-resistant encryption protects against advanced computational attacks - Built on Arbitrum's scaling solution for improved performance - Continues Session's focus on private, secure communications The upgrade represents a significant step forward in **preparing messaging platforms** for the quantum computing era while maintaining the benefits of blockchain-based communication.

**Major milestones across the Arbitrum ecosystem this week:** - **Binance Alpha** now supports Arbitrum, opening massive distribution for early projects - **Robinhood's GOOGL** becomes first tokenized stock to hit $1M market cap on Arbitrum One - **Vitalik donated 128 ETH** to Session app for decentralized messaging development - **Latin American expansion**: Eldorado enables Tether purchases via 80+ finance apps with USD payments - **ArbitrumDAO revenue** projected at $26.6M for 2025 - **Variational's Omni** shared $3M+ back with traders through refunds and rewards - **Peanut payments** surpassed $300K in QR transactions, showing strong product-market fit