Arbitrum Ambassador Program Phase 2 Launched

**Rialto debuts on Robinhood Chain with programmable finance platform** Rialto has launched an onchain exchange enabling users to trade and borrow against tokenized equities, crypto, and real-world assets. The platform represents a step toward making traditional finance more programmable and accessible. **Key features:** - Trading of tokenized stocks and digital assets - Borrowing capabilities against multiple asset types - Built on Robinhood Chain, which runs on Arbitrum's infrastructure Robinhood Chain aims to modernize financial markets through self-custodial stocks and ETFs with 24/7 trading availability. The testnet launched in March 2026.

Robinhood has migrated its Classic Stock Tokens from Arbitrum One to its own dedicated blockchain, Robinhood Chain. The move demonstrates Arbitrum Platform's flexible approach - allowing companies to test products on shared infrastructure before customizing their own chain. **Key developments:** - Initial launch on Arbitrum One validated product-market fit - Migration to dedicated chain enables custom performance and governance - Robinhood Chain maintains connection to Arbitrum ecosystem The strategy reverses typical platform requirements, letting fintechs validate customer demand before committing to infrastructure decisions. [Read the full story](http://blog.arbitrum.io/robinhood-chain-mainnet)

Arbitrum is rolling out confidentiality features designed to give businesses more control over sensitive onchain operations. The platform allows organizations to protect private transaction data while maintaining the option to selectively share information with customers, partners, auditors, and regulators. Key capabilities include: - **Configurable privacy controls** for transaction flows and treasury activity - **Built-in compliance tools** with screening, monitoring, and access controls - **Selective disclosure** mechanisms for regulatory requirements The features are part of Arbitrum's broader push into enterprise adoption, alongside a pilot program with LG Electronics for an onchain advertising network. The approach aims to address a common business concern: how to leverage blockchain's efficiency without exposing commercially sensitive data or sacrificing regulatory compliance. Arbitrum positions these tools as infrastructure-level solutions rather than add-ons, allowing businesses to define privacy and compliance policies directly into their blockchain operations.

**Major efficiency gains are emerging in institutional finance through blockchain technology.** Tokenized money market funds are now reducing operating costs by **17%** for large financial institutions. For these organizations, even small efficiency improvements of a few basis points can translate to millions in savings. **Key developments:** - Programmable economy features are becoming operational advantages - Arbitrum is powering infrastructure for institutional tokenization - Previous projections estimated 10-12% cost reductions for institutions like BlackRock The shift represents institutions moving traditional financial services onchain to capture operational efficiencies. These concrete cost savings are driving boardroom-level attention and adoption decisions.

Arbitrum is highlighting how **customization capabilities** enable businesses to build programmable markets on their Layer 2 platform. The initiative focuses on: - Providing flexible infrastructure for custom market creation - Enabling businesses to design tailored trading and transaction systems - Supporting programmable logic for specific business requirements This follows Arbitrum's recent emphasis on compliance support for enterprises, demonstrating their continued focus on **business-grade blockchain solutions**. [Learn more about customization](https://link.arbitrum.io/customization-x)