
Open House 2026 is officially live - A global program for founders & builders - $800,000 in prizes - Four cities First stop: New York City 🗽 Register now openhouse.arbitrum.io/?utm_source=tw…
Arbitrum Developers
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@ArbitrumDevs
Technical resource hub for all @arbitrum developers. Tutorials, updates, and technical announcements.

Open House 2026 is officially live - A global program for founders & builders - $800,000 in prizes - Four cities First stop: New York City 🗽 Register now openhouse.arbitrum.io/?utm_source=tw…










Building on @Arbitrum? Here's how to grow your user base fast 👇 Join our hands-on workshop to learn how to onboard users instantly & tap into liquidity across popular ecosystems, powered by Avail Nexus. 📅 March 12th, 3pm UTC Live on X @ArbitrumDevs & Arbitrum discord

Building on @Arbitrum? Here's how to grow your user base fast 👇 Join our hands-on workshop to learn how to onboard users instantly & tap into liquidity across popular ecosystems, powered by Avail Nexus. 📅 March 12th, 3pm UTC Live on X @ArbitrumDevs & Arbitrum discord



Our 2nd global builder program has wrapped up with Founder House NYC! Over the last 3 days, 80+ teams came together to bring their ideas onchain on the Arbitrum Platform, competing for $340K in prizes and grants. We saw incredible new primitives being built across AI, DeFi, RWAs, Consumer and more. Now it’s time to announce the winners of Founder House NYC. DRUM ROLL PLEASE. 🥁 🥇 @Kustodia_mx - Smart car management app 🥈 @laytusprotocol - Correlation-aware prediction market app 🥉 @EqualFiLabs - Onchain prime brokerage app

Building on @Arbitrum? Here's how to grow your user base fast 👇 Join our hands-on workshop to learn how to onboard users instantly & tap into liquidity across popular ecosystems, powered by Avail Nexus. 📅 March 12th, 3pm UTC Live on X @ArbitrumDevs & Arbitrum discord


.@arbitrum Stylus SDK v0.10 lets you build multi-contract workspaces wih type safe Rust. I built a voting dApp that shows how it works and walked through the entire codebase. Full code walkthrough attached. Repo link in the reply.






