Learn how we’re backing early-stage teams shaping the programmable economy through Open House London.

Open House London starts May 25th with a 3-week online Buildathon designed to help founders turn ideas into onchain products with hands-on support.

Apply…

The March 2026 Security Council Member Election results are out!

Meet the 6 newly elected members. 👇

Your wallet already holds your positions. It's time it held a team on @arbitrum

Meet Ember: the portfolio manager that lives inside your wallet. It reads your thesis, watches your moves, and directs agents under rules you set

No migration. No swarm of…

Introducing @Alchemy as a sponsor of Open House London.

They provide enterprise infra and tooling to support today’s most widely used onchain products.

Together with Alchemy, Open House is helping businesses shape the broader programmable economy on the…

Expanding from Solana to the EVM often means rebuilding applications from scratch.

Oak Security’s StylusPort on the Arbitrum Platform gives teams a more practical path by helping bring Rust smart contracts into an EVM-compatible environment without starting…

Moving from Solana to the EVM means rebuilding your app from scratch.

Oak Security’s StylusPort enables teams to bring Rust smart contracts to the Arbitrum Platform without starting over.

That means faster launches, lower costs and an easier path into the…

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The programmable economy is where the next gen of fintechs will be built.

And as a finance-native platform, it will be powered by Arbitrum.

all roads lead to the programmable economy.

even on Fridays.

Programmable markets make settlement instant and operations more efficient.

That’s why businesses are building on the Arbitrum Platform: +$78M in @USDT0_to capital flowed into the platform in just one week.

Fintechs moving in this direction are positioned…

The programmable economy needs new businesses.

Open House London is helping bootstrap them with a $415K prize pool (our largest yet).

Starting May 25th, early-stage teams join a 3-week online Buildathon to:

- Bring ideas from concept to mainnet
- Receive…

The programmable economy enables fintechs to own their markets instead of renting access to them.

Businesses keep control over their products, users, and business models while adapting infrastructure as they scale.

On Arbitrum, it's your platform, your…

Feels early again for finance.

What are you focused on building in the programmable economy this month?

AI, trading, payments, privacy, tokenization… or something new. 👇

More gold is coming onchain via @PleasingMarket PGOLD, a digital gold asset backed by real reserves, with $92M tokenized.

As metal markets become programmable, they need predictable execution and deep liquidity from platforms like Arbitrum to grow.

Commodity markets are starting to become programmable.

More gold is moving onchain via PleasingMarket PGOLD, a digital gold asset backed by real reserves, with $92M already tokenized on Arbitrum.

This is part of a larger shift happening across finance.…

Every generation of financial winners was built on the next infrastructure shift.

1800s - Physical exchange markets
1900s - Broker-led electronic markets
2000s - Internet brokerage platforms
2020s - Programmable markets (Today)

Fintechs that build early…

Every generation of financial winners has been shaped by infrastructure shifts.

🏛️ 1800s - Physical exchange markets
📞 1900s - Broker-led electronic markets
💻 2000s - Internet brokerage platforms
🌐 2020s - Programmable markets

Markets are now becoming…

10 million stablecoin holders. $1 trillion transferred in a year. Every stablecoin category represented.

Arbitrum is the finance native platform where the programmable economy settles: Deep liquidity, predictable costs and infrastructure that institutional…

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. 👇

https://t.co/e6Y5jDeGCl

Agentic commerce has arrived in the programmable economy.

x402 by Coinbase is now live on the Arbitrum Platform, enabling builders to let AI agents pay for APIs, services, and software directly with stablecoins.

This is an important step toward a more internet…

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.