Arbitrum

The Arbitrum Foundation is launching **Open House London**, starting May 25th with a 3-week online Buildathon program. **Key Details:** - Global program designed for early-stage teams - Helps founders turn ideas into onchain products on Arbitrum - Provides hands-on support and enterprise infrastructure - Alchemy joins as sponsor, offering tooling for onchain development The initiative aims to help businesses shape the programmable economy on the Arbitrum Platform. [Register for the Buildathon](http://openhouse.arbitrum.io/?utm_source=twitter&utm_medium=social&utm_campaign=oh-london-buildathon)

**Programmable markets are revolutionizing trade settlement**, compressing what traditionally takes days into mere seconds. **The traditional gap**: When you buy or sell a stock on Monday, settlement typically occurs on Tuesday - a full day later. **The tokenized advantage**: In blockchain-based markets, value transfer and settlement happen in seconds, not days. **Key benefits**: - Dramatically reduced settlement time - Lower operational friction - Increased market efficiency Fintechs adopting this technology are positioned to gain competitive advantages in the evolving financial landscape.

Ontorium has launched **OXAU**, a programmable asset backed by physical gold, with supply now exceeding **$1 million**. The platform leverages **Arbitrum's infrastructure** for: - Deep liquidity pools - Predictable transaction costs - Efficient institutional access to commodity markets This follows recent momentum in onchain commodities trading, including a $26.4M gold order executed on Ostium Labs in April. The development demonstrates how Layer 2 networks can support institutional-grade commodity trading without traditional intermediaries, making physical assets accessible through blockchain infrastructure.

The March 2026 Security Council Member Election for ArbitrumDAO has concluded with 6 new members elected to serve. The Security Council plays a critical governance role in Arbitrum's Layer 2 ecosystem, providing oversight and emergency response capabilities for the protocol. **Key Points:** - 6 new members elected through community voting - Results announced May 6, 2026 - Part of regular cohort rotation for the Security Council The newly elected members will join Arbitrum's governance structure to help maintain protocol security and stability.

**Arbitrum's DRIP Season 1 rewards are expiring soon.** Participants have until **May 18** to claim their tokens from the DeFi Renaissance Incentive Program. **Key details:** - Two-week deadline for claiming Season 1 rewards - Aave-earned rewards are excluded from this deadline - Unclaimed tokens will return to DRIP for future seasons - No extension planned after May 18 **What you need to do:** Visit [arbitrumdrip.com/users](https://arbitrumdrip.com/users) to claim your rewards before the deadline. The program initially allocated up to 24 million ARB tokens for Season 1 distribution. Users who miss the deadline will forfeit their rewards, which will be recycled into subsequent DRIP seasons.

USDai has crossed $100M in active loans by using GPUs as onchain collateral, marking a significant milestone in compute financing. **Key developments:** - GPUs can now serve as collateral for asset-backed credit onchain - Active loans have grown from $34M to over $100M - Arbitrum's infrastructure provides the predictable costs and liquidity needed for this market This approach enables businesses in the compute sector to access capital quickly by leveraging their hardware assets. The programmable nature of these markets allows for dynamic pricing and faster capital flows compared to traditional financing methods. The growth demonstrates how blockchain infrastructure can support emerging markets beyond typical crypto use cases, creating new financial primitives for physical assets like computing hardware.

**Superset Finance is launching programmable cross-chain liquidity on Arbitrum**, enabling seamless capital movement across blockchain networks. **Key features:** - Deep liquidity pools for reliable execution - Low transaction costs on Arbitrum Platform - Automated, programmable liquidity flows The platform leverages Arbitrum's infrastructure to make cross-chain capital movement more efficient and predictable. As markets become increasingly programmable, liquidity can now move freely between different blockchain ecosystems without manual intervention. This development continues Arbitrum's positioning as infrastructure for the programmable economy, following recent launches in payments, trading, and TradFi integration.

The trading card game (TCG) market is entering a new phase with programmable functionality on Arbitrum. **One Mo' Chance** (@onemoarchance) is transforming traditional card collections into liquid, social experiences on the platform. **Key Features:** - Collections become tradeable and interactive assets - Built on Arbitrum's L2 infrastructure - Social layer enables community engagement around owned cards **Upcoming Event:** Live pack opening session on X (Twitter) scheduled for next Thursday at 9pm ET, featuring over $1,000 in prizes. This development represents Arbitrum's continued expansion into new market verticals, building on three years of platform growth in onchain finance.

El Dorado has introduced an **International VISA Card** that enables global USDT payments powered by Arbitrum. **Key features:** - Pay, send, and receive USDT worldwide - Low transaction costs with instant settlement - 24/7 accessibility - Eliminates traditional payment friction The card builds on El Dorado's existing platform, which serves **over 1 million users across 7+ countries in Latin America**. The company addresses regional challenges including inflation, high transfer costs, and limited USD access by converting stablecoins into practical financial tools. Users can save, send, convert, and now spend digital dollars through USDT on Arbitrum, all within a single application. This development represents a step toward making cryptocurrency-based payments more accessible for everyday transactions in markets where traditional banking infrastructure faces limitations.

**Ostium Labs has reached over $50 billion in total trading volume** on Arbitrum, marking a significant milestone for programmable markets. The platform enables trading across: - Stocks - Commodities - Forex - Crypto **Key features:** - Deep liquidity pools - Fast execution speeds - Built on Arbitrum's infrastructure This achievement demonstrates growing institutional adoption of blockchain-based trading infrastructure. Ostium's success follows a broader trend of traditional financial markets moving onchain, with platforms choosing Arbitrum for its reliability and execution capabilities.