Arbitrum

@Elehchineye yes, all builders welcome 😃

@arbitrum Is it also open for African builders?

Open House London remote 3-week Buildathon program kicks off May 25th with $115K in prizes. If you're an early-stage team looking to bring new product ideas into the programmable economy on the Arbitrum Platform, here’s why you should register. 👇🧵 openhouse.arbitrum.io/?utm_source=tw…

All ideas are welcome. We're especially excited about early-stage teams building in areas around: - 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 If your team is looking to bring a product into the programmable economy on the Arbitrum Platform, register to Buildathon today.

Buildathon concludes with a competition featuring $115K in prizes. Top teams will go to our IRL Founder House in London. Founder House is an accelerator designed to help founders refine products, prepare for launch on the Arbitrum Platform, access GTM mentorship and get opportunities for capital support and additional prizes.

A few days ago, we removed KYC for ordinary retail users. Now they can get exposure to global equities 24/7 with just three clicks: > Sign up > Deposit via @arbitrum > Start trading

May 20, 2026. Only on @arbitrum.

Open House London begins May 25th with a 3-week remote Buildathon designed to help early-stage teams turn ideas into products on the Arbitrum Platform. Build from anywhere, collaborate online and get access to mentorship, workshops and connect with industry leaders in the broader Arbitrum ecosystem. If you’re building for the programmable economy, applications are open below. Teams from anywhere in the world are welcome. openhouse.arbitrum.io/?utm_source=tw…

We’re thrilled to announce @RobinhoodApp as a sponsor of Open House London. They’re supporting Open House across 4 regions with $1M in funding and hands-on guidance for businesses shaping the programmable economy on the Robinhood Chain.

Why the Arbitrum Platform? To bring traditional markets into the programmable economy, @kaledora needed neutral infrastructure that lets businesses focus on growing products. That neutrality is why teams like @Ostium and others continue choosing the Arbitrum Platform.

@EntropyAdvisors @maplefinance 🫡

The @Arbitrum DAO Treasury Management Portfolio has deployed $5.8M into @Maplefinance’s syrupUSDC. syrupUSDC has been a core asset throughout DRIP Season 1, and we’re excited to continue supporting maple’s growth.

@usealtai lets go 🤝

We're teaming up with @arbitrum to bring crypto-native AI to the Arbitrum ecosystem. Query live DeFi data with AltLLM Chat. Act on it 24/7 with an AltClaw agent that holds a real ARB-enabled wallet.

Read more how businesses can keep performance-sensitive systems offchain while verifying critical trust boundaries onchain with Arbitrum Stylus. blog.arbitrum.io/onchain-trust-…

The Arbitrum Platform is built for businesses that need more than standard smart contracts. Syndicate used Stylus to keep high-throughput infrastructure offchain while making critical trust boundaries verifiable onchain through SyndDB.

The programmable economy is creating a new generation of financial businesses and we’re excited to see x402 shape how AI agents, applications, and services transact value programmatically on the Arbitrum Platform.

Why is Arbitrum the perfect platform for x402? Programmable commerce needs predictable execution, low transaction costs, deep liquidity and infrastructure that can grow with demand. Builders get all of this on the Arbitrum Platform, making it easier for AI agents, APIs, and businesses to transact instantly.

Agentic commerce has arrived in the programmable economy. x402 by @coinbase is now live on the Arbitrum Platform, allowing builders to let AI agents pay for APIs, services, and software directly with stablecoins. 👇 docs.cdp.coinbase.com/x402/network-s…

Milestone: @arbitrum just reached 10 million stablecoin holders across the platform. Stablecoins are being held and transferred across some of the most exciting use cases, from RWAs to DeFi, powered by great teams that choose Arbitrum as the home for the programmable economy.