LorΞnzo Sicilia

Open House’s 3-week online Buildathon starts in 2 days. Early-stage teams building the next-gen of onchain products will get: - Product guidance - Technical/infra readiness - Access to connect with industry leaders - $115K in prizes + invitation to IRL Founder House in London Register today. 👇 openhouse.arbitrum.io/?utm_source=tw…

Open House Builder Stories: @Fangorn_network Every project starts with someone who couldn't accept the status quo. For the Fangorn team, it started with a missing show and a refusal to pay for another subscription. Watch their origin story 👇🏻

@GMX_IO @arbitrum Glad to see you joining 🇬🇧💙

GMX officially sponsors @Arbitrum Open House in London! Join us there to compete for $415,000 in prizes and grants. Contributors will be on-site July 10-12 to help you master DeFi Perps, explore the top-notch builder tooling, and take your project to the next level. ⬇️

Today I've had the pleasure to host two panels discussing whether agents are ready for real-world use cases, as well as who will own the AI infrastructure layer. My high-level takeaways from those conversations 👇 x.com/i/spaces/1nGeL…

@zerodev_app @arbitrum great to have you onboard! 💙🇬🇧

We’re officially sponsoring @arbitrum Open House London! 🇬🇧 Join us to compete for $415K in prizes & grants. We’ll be on-site July 10-12 to help you master invisible performance infrastructure and take your project to the next level. Don’t miss out: openhouse.arbitrum.io/?utm_source=sp…

@ETHLDN @ArbitrumDevs Great to see this 🇬🇧 💙

ETHLDN is happy to be supporting Arbitrum Open House London, a global builder program for ambitious teams already building on Arbitrum or ready to start their journey within the ecosystem. Only 4 days remaining to apply for the Open House Buildathon.

The remote, Open House Online Buildathon kicks off next week on May 25. Three weeks to transform an idea to a live product on the Arbitrum Platform, with $115K in prizes, technical workshops, and ecosystem mentorship. If you've been on the fence, here are answers to some questions we keep getting asked. Register today. 🧵👇 openhouse.arbitrum.io/?utm_source=tw…

@encodeclub @arbitrum Great to see this happening 🇬🇧💙

We're excited to be supporting @arbitrum Open House London - a global builder programme for ambitious teams building on Arbitrum or ready to enter the ecosystem. 4 days left to apply to the Open House Buildathon. Compete for $115K in prizes & grants across General, Agentic AI, and Robinhood Chain tracks - with top teams advancing to an in-person Founder House at Encode Hub, London, 10-12 July. - Buildathon: 25 May - 14 June 2026 - Fully online & open globally - Apply with an existing project or a fresh idea - Limited spots remaining Apply now ↓

$415k in prizes and grants. 3-week online Buildathon. 3-day IRL Founder House in London. @arbitrum is bringing its biggest Open House cohort to date to London. Londonmaxxing at its finest, with direct access to the Arbitrum Foundation, @Offchain, and ecosystem partners. Two Phases. Builders can apply to either or both. Online Buildathon kicks off May 25 → arbitrum-london.hackquest.io/buildathons/Ar… Founder House in London, July 10-12 → luma.com/openhouse-lond…

@ETHCluj @Ricardo__Gordon @arbitrum Great to see this happening 🇬🇧💙

We just wrapped up ETHCluj 2026 - this means only one thing: keep building together. We’re delighted to support Arbitrum Open House London, together with @arbitrum and as part of our ETHCluj × Arbitrum partnership supporting builders in Romania and beyond. This is a global builder program for teams already building on Arbitrum or just getting started in the ecosystem. There are only a few days left to apply for the Online Buildathon. It runs May 25 – June 14, 2026, is fully online and open globally, and you can apply with an existing project or build something new. 💵$115K in prizes & grants 💡Tracks: General, Agentic AI, Robinhood Chain 🗓️May 25 – June 14, 2026 Top teams may advance to the In-Person Founder House in London. Limited spots remaining.

@CML_LDN @Ricardo__Gordon @arbitrum Great to see this happening 🇬🇧💙

We’re excited to be supporting @arbitrum Open House London as community partners. It's a global builder program for ambitious teams already building on Arbitrum or ready to start their journey within the ecosystem. Only 4 days remaining to apply for the Open House Buildathon. Compete for $115K in prizes & grants across General, Agentic AI, and Robinhood Chain tracks, with top teams getting the opportunity to advance to the in-person Founder House in London. - May 25 – June 14, 2026 - Open globally - Fully online - Apply with an existing project or build on new ideas Limited spots remaining Apply now: arbitrum-london.hackquest.io/buildathons/Ar…

Shipping an AI MVP is the easy part. If you want to know what it takes to ship to production with @arbitrum 🇲🇽 I'll be breaking it down at #EthMexico2026 📆 (Online) Wed May 27, 12:00pm (GMT-6). @ArbitrumDevs @ethereum_mexico

We're excited to be supporting @Arbitrum Open House London, a global builder program for ambitious teams already building on Arbitrum or ready to start their journey within the ecosystem. Only 10 days remaining to apply 🧵👇

Let’s welcome @OpenZeppelin as a sponsor of Open House London. OpenZeppelin supports teams with secure blockchain infra and tooling, including Arbitrum Stylus. We’re looking forward to seeing early-stage teams at Buildathon build Rust-based products on the Arbitrum Platform.

Thrilled to work with @hosseeb and the entire @dragonfly_xyz team, alongside @BainCapCrypto @cbventures and other strategics, to bring tradfi liquidity on-chain. This raise gives @variational_io the resources we need to land key institutional partnerships, expand our team, and list 100+ RWA perps.

@HouseofChimera @5herv1n @cysic_xyz @asintrospector @ern @kryptojogi @billions_ntwk @michaelh_0g @0G_labs @Swagtimus @arbitrum @Swagtimus everywhere today, looking forward to see this one! 💙

AI agents are everywhere, but are they ready to handle real-world use cases? Joining us will be: 🔹 @5herv1n from @cysic_xyz 🔸 @asintrospector from @ERN 🔹 @kryptojogi from @billions_ntwk 🔸 @michaelh_0g from @0G_labs 🔹 @Swagtimus from @arbitrum (Host) RSVP: x.com/i/spaces/1nGeL…