Join us tomorrow at our Ecosystem Office Hours!

Learn about:

- grant opportunities
- ecosystem builder support programs
- upcoming Buildathon and Open House founder programs

Happening in our Discord at 10:30am ET

All Arbitrum founders & builders are welcome

🚨SECURITY ALERT
The @arbitrumdao_gov account has been compromised. Do not click any links or interact with posts from that account until further notice.
We are working to recover access. Updates to follow.

Join us at Open House Gather in Denver on Feb 18th with @Alchemy!

Connect with founders, grab some burgers on us and hang out with builders

We’ll also have a 5 min onchain hacking challenge - winners selected win a trip to our NYC Founder House in March…

Update: We have regained control of the @arbitrumdao_gov account. It is now safe to interact with again.
Thank you to everyone who flagged suspicious activity and avoided engaging with the compromised posts.
We're reviewing our security protocols to prevent…

Since the ArbOS Dia upgrade, Arbitrum One is handling demand spikes more gracefully with smoother, more predictable price changes that stay lower under the same load.

⚫ Simulated price before the upgrade
🔵 Actual gas price after upgrade (Jan 13)

My thoughts on Vitalik's post:
🧵

Congrats @Fiat24Official on surpassing $1.8M in payments volume!

Crypto payment businesses win on rails that are instant, secure, and low cost which is why so many choose to build on Arbitrum's platform

Stoked to welcome @CarbonTerminal to the ecosystem!

Perps thrive on platforms that’s fast (250ms blocks), stable (reliable RPCs) and flexible enough to support new trading primitives

We’re thrilled to see Carbon scale their perp products on the Arbitrum…

Our 3-week online Open House Buildathon program kicks off tomorrow!

Here’s what builders can expect:

- Workshops with @Alchemy, @OpenZeppelin, @LayerZero_Core, @Offchain, @Dune and Arbitrum Foundation
- Builder GTM and feedback sessions
- Mentoring & more…

Arbitrum pulling in $53M in 24H net inflows highlights the bigger picture:

Neutral deep liquidity is essential for scaling payments, neobanks, on/off-ramps and stablecoin rails

Season 1 of the DeFi Renaissance is ending soon!

Epoch 12 is your last chance to maximize DRIP rewards and opportunities with eligible yield-bearing assets

Deposit, borrow and loop today on Arbitrum

https://t.co/xXigfnOKoO

ERC-8004 is now enabled on Arbitrum

AI agents now get:

- Onchain identity
- Verifiable reputation
- Cross-platform discovery

Paired with Arbitrum’s deep liquidity and credibly neutral platform, builders can ship trustless AI agents and grow the open agentic…

Move has landed on Arbitrum

Stylus brings Rust, C, C++ and now Move to the EVM - enabling enterprises to build entirely new onchain primitives

This wasn’t possible without the collaborative effort from @rather_labs

On Arbitrum, there are no boundaries…

ArbOS Dia was just the beginning.

While it brought smoother fees to Arbitrum One, its deeper purpose was laying the foundation for Dynamic Pricing.

The platform is moving toward a system where fees aren't just a single number, but a reflection of real resource…

Open House Gather is just a week away!

Join us + @Alchemy on Feb 18 during ETHDenver at Shake Shack - grab some burgers and connect with builders

We'll also have a 5-min hacking challenge for a chance to win an all-paid trip to our NYC Founder House in…

Xross Roads, backed by one of Japan’s major broadcaster, TV Asahi, is bringing indie anime IP onchain

They’re using Arbitrum’s platform to tokenize IP rights, automate royalties and give creators fast, low-cost settlement rails

This is how IP businesses…

DeFi primitives like @compound_xyz thrive on efficient, liquid and reliable infrastructure

That’s why Arbitrum is the home of DeFi

Excited to see Compound v4 tap into Arbitrum's deep liquidity to scale their product

Ecosystem Spotlight: January Highlights

Smoother fees and a predictable experience are essential for enterprises during high-demand moments.

With Dia’s new gas targets and adjustment windows, Arbitrum One delivers more reliability and fewer fee spikes under heavy traffic.

This is the foundation…

why does Arbitrum exist?

to build the most reliable platform and support the emergence of independent, open internet economies

Robinhood Chain testnet is now live on the Arbitrum platform.

Phase 1 focuses on developer onboarding and infrastructure testing:

Testnet gas + Stock Tokens
Contract deployment
Bridging + explorer visibility

This allows tokenized asset flows to be tested…