Technical resource hub for all @arbitrum developers. Tutorials, updates, and technical announcements.

Joined June 2022
238 Photos and videos
Arbitrum Developers retweeted
The programmable economy is creating entirely new businesses and founders are leading the way. That's why we launched Founder House - help early-stage teams like @bondoncredit accelerate their product and go-to-market on the Arbitrum Platform. Join us in London on July 10-12.
26
27
155
9,795
Founder House London is an in-person program for founders building the next generation of businesses in the programmable economy. Over 3 days, teams will get: - hands-on workshops - GTM & mentor sessions - opportunity to pitch their businesses to Arbitrum, Offchain & sponsors like Robinhood Chain & AWS. Starts July 10th with up to $300K in prizes grants. Apply today 👇🏻 luma.com/openhouse-london?ut…
4
4
23
1,002
Learn more about what to expect at Arbitrum Founder House London.
2
5
537
Your AI agent hits a paid API. Now what? Join @hummusonrails from Arbitrum & @maishsk from @awscloud for a live walkthrough and demo of x402 agentic payments built on AWS AgentCore and Arbitrum's settlement layer. Perfect for devs building agentic applications for the upcoming Arbitrum London Founder House. Sign up now. luma.com/x402-aws-arbitrum
11
6
45
4,258
Note: This is a live webinar on LinkedIn. Register here and we'll send the event link to all registered participants ahead of the session.
6
199
Arbitrum Developers retweeted
We’re excited to hosting @arbitrum Open House in London! An in-person Founder House, in London, at Encode Hub, for high-conviction teams building their ventures on Arbitrum. • Up to $300K in prizes & grants • London | July 10–12, 2026 • Direct access to Arbitrum Foundation, Offchain, and ecosystem mentors for technical, business, and GTM feedback • Apply with an existing project or come ready to explore and build new ideas Only 100 spots available. Apply now ↓
6
7
24
2,053
Berlin Blockchain Week starts next Monday. 🇩🇪 As the Title Sponsor of @EuEthInstitute & @SecurityOak’s Institutional & Policy Forum, we’re hosting Arbitrum Founders Eve on June 15th: live pitch competition with @DeFiFounders Open House Founder Support Sessions. RSVP here 👇🏻 luma.com/arbitrum-founders-e…
6
5
41
2,476
Interested in pitching your startup live to investors, ecosystem leaders, and operators? The winning founder will earn a sponsored trip to Arbitrum Founder House London happening on July 10-12. Apply here: luma.com/7tw9mt82
2
8
277
Important Update on Arbitrum Nova. As per a recent proposal, the ArbitrumDAO has voted to minimize Arbitrum Nova by transitioning it into a maintenance-oriented state with reduced capacity and deprioritized support. A thread on what this means for developers and users 👇🏻
5
6
53
2,470
If you seek further guidance and support, please use existing Arbitrum channels: Discord: discord.com/channels/5850843… Documentation: docs.arbitrum.io

210
=== ArbOS 40 Compatibility Notice: Upgrade to Nitro v3.10 Consensus v51 === All Nitro versions and consensus releases are backward compatible with all previous ArbOS releases. However, Nitro v3.10 drops support for Consensus v40.
3
3
34
1,240
Only the ArbOS release that is activated on mainnet Arbitrum One will receive security updates and urgent vulnerability patches. We strongly recommend that you stay up to date with the latest ArbOS, as only the latest version receives security updates.
1
1
257