Arbitrum Simplifies Solana-to-Arbitrum Migration with Rust Support

The Arbitrum Foundation is launching **Open House London**, a builder program and startup accelerator designed to bring new businesses into the programmable economy. **Key Details:** - **$415K prize pool** - the largest yet from Arbitrum Foundation - **Starts May 25th** with a 3-week online Buildathon - Open to early-stage teams building AI, payments, or DeFi primitives **What Participants Get:** - Technical guidance through workshops - Hands-on mentoring from the Arbitrum ecosystem - Path from concept to mainnet deployment - Competition for prizes and entry into an in-person Founder House in London Alchemy joins as a sponsor, providing enterprise infrastructure and tooling support. Registration is now open at [openhouse.arbitrum.io](http://openhouse.arbitrum.io/?utm_source=twitter&utm_medium=social&utm_campaign=oh-london-buildathon)

**Arbitrum Platform attracted $78M in USDT capital in just one week**, signaling growing adoption of programmable market infrastructure. **Key developments:** - Settlement times compressed from days to seconds through programmable markets - Businesses choosing Arbitrum for instant settlement and operational efficiency - Fintechs adopting programmable infrastructure positioned for competitive advantage **Why it matters:** The capital inflow demonstrates real demand for blockchain-based financial infrastructure that offers predictable costs, real-time settlement, and global market access. Traditional settlement processes that take days are being replaced by instant, programmable alternatives. This follows recent momentum in programmable finance, including cross-chain liquidity solutions, international payment cards, and TradFi asset integration reaching $50B+ in cumulative volume.

Oak Security has introduced **StylusPort**, a tool that allows developers to migrate Rust-based Solana smart contracts to Arbitrum's EVM-compatible platform without rebuilding from scratch. **Key features:** - Enables direct porting of Solana apps to Arbitrum - Includes migration guide and AI-powered tools - Maintains full EVM interoperability - Reduces development time and costs The solution addresses a significant pain point for developers looking to expand beyond Solana's ecosystem into Ethereum-compatible chains.

**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.