Arbitrum devs can use ETHGlobal faucet to claim testnet ETH on Arbitrum Sepolia

A new trading competition has launched on Forkast, built on the Arbitrum platform. Participants can test their prediction skills for a chance to win part of a $3,500 prize pool. **Key Details:** - Tournament hosted on [Forkast](https://forkast.com) - Built on Arbitrum's liquidity infrastructure - Total prize pool: $3,500 - Open competition format This follows previous trading competitions in the ecosystem, including the UCC tournament that featured a $150,000 prize pool. The competition format allows traders to compete directly against each other through prediction-based challenges.

The Arbitrum Foundation's Open House London Buildathon is actively recruiting early-stage teams to build on the Arbitrum Platform. The program welcomes projects across six key verticals: **Focus Areas:** - Payments: stablecoin rails and settlement infrastructure - DeFi: trading, liquidity, and financial infrastructure - RWAs: tokenized assets and capital markets - Privacy: identity and confidential infrastructure - Agentic: AI agents and programmable commerce - Consumer: internet-native financial applications The 3-week remote program offers technical workshops, product feedback, go-to-market guidance, and ecosystem connections. Top performers compete for $115K in prizes and advancement to an in-person Founder House accelerator in London. Registration remains open at [openhouse.arbitrum.io](http://openhouse.arbitrum.io/?utm_source=twitter&utm_medium=social&utm_campaign=oh-london-buildathon) for teams worldwide looking to launch products in the programmable economy.

**Arbitrum Stylus introduces a new approach for businesses** to maintain performance-sensitive infrastructure offchain while verifying critical trust boundaries onchain. **Key implementation:** - Syndicate deployed SyndDB using Stylus to keep high-throughput systems offchain - Critical trust checkpoints remain verifiable onchain - Enables businesses to balance performance needs with transparency requirements This architecture addresses a common challenge: systems requiring high performance can operate offchain, while maintaining onchain verification for trust-critical operations. The approach offers flexibility beyond standard smart contracts. [Read the full technical details](http://blog.arbitrum.io/onchain-trust-for-offchain-workflows)

**Pleasing Market** is expanding digital gold adoption through **PGOLD**, a tokenized asset backed by physical gold reserves. **Key developments:** - $92M in gold now tokenized and available onchain - Built on Arbitrum for predictable execution and deep liquidity - Previously integrated Chainlink Data Streams for sub-second, verifiable gold price data As precious metal markets become programmable, platforms require reliable infrastructure to scale. Arbitrum's L2 solution provides the foundation for these emerging real-world asset markets to grow efficiently.

**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.