Arbitrum Foundation has opened applications for its Mentorship Program, an 8-week initiative starting April 13th designed to help early-stage teams launch on the Arbitrum platform.
Program highlights:
- 15 selected teams receive dedicated mentorship from ecosystem leaders including Robinhood Chain, Pendle, GMX, and Fhenix
- Structured support covering product strategy, go-to-market design, network architecture, and fundraising preparation
- Concludes with Demo Day featuring investor presentations
- Top 3 teams share $100K in non-dilutive awards
The program targets teams at MVP, pre-seed, or seed stage across AI, DeFi, and other onchain verticals. Applications close April 7th.
This follows the recent Open House NYC Buildathon, which awarded $60K in prizes to winners including Tilt Protocol, Fangorn Network, and EqualFi.
The Arbitrum Mentoring Program concludes with a Demo Day, where teams present to leading investors and ecosystem partners. Top three teams will receive $100K in non-dilutive awards, recognizing standout execution and progress.
What's next for our founders and builders? Our 3-day, in-person Founder House kicks off this week in NYC (March 6), helping teams including Buildathon winners ship onchain. Then on April 13th, our 8-week Mentoring Program begins, supporting 15 early-stage teams launch on the
Over February, we hosted the Open House NYC Buildathon to help 500+ builders go from idea → product. Today, we're thrilled to announce the winners of the $60K Buildathon prize. 🥇 @TiltProtocol 🥈 @Fangorn_network 🥉 EqualFi Read more. 👇 blog.arbitrum.foundation/open-house-nyc…
Today is also the last day to apply to NYC Founder House on March 6th. Teams will get: - Up to $340K in prizes + grants - Hands-on mentorship (product, infra, GTM) - Direct access to ecosystem leaders like Robinhood, Alchemy & more If you’re building in AI, DeFi, or
Participated in Open House Buildathon or joining our NYC Founder House in March? Winners from both will also receive invites to join the Arbitrum Mentorship Program.
Starting on April 13th, teams will be paired with a dedicated mentor and supported through structured sessions and periodic check-ins throughout the program from @variational_io, @pendle_fi, @fhenix, @GMX_IO and @RobinhoodApp Chain. Teams receive structured support on: -
ICYMI: Applications are open for the Arbitrum Mentorship Program. Starting April 13, early-stage teams get an 8-week path from idea → launch on the Arbitrum platform with: • Product strategy & go-to-market design • Network design and liquidity strategy • User acquisition
Introducing the Arbitrum Mentorship Program. An eight-week program starting April 13th, where 15 early-stage teams get access to: - A clear path from idea to launch on the Arbitrum platform with infra guidance, ecosystem support, and distribution channels - Hands-on mentorship
If you’re an early-stage team at MVP, pre-seed, or seed and looking to go onchain, apply for our Mentoring Program today: Applications close on April 7th. Lets go onchain together. tally.so/r/aQdj2W
Today is the last day to apply for Arbitrum NYC Founder House. A curated IRL experience built to help founders ship onchain: - Up to $340K in prizes + grants - Mentorship from Robinhood & Arbitrum Ecosystem - Shared liquidity and mature primitives on Arbitrum - A platform
Founder House connects founders to: - Mentorship from Robinhood & Arbitrum Ecosystem - Shared liquidity and mature primitives on Arbitrum - A platform designed to operate predictably as your business scales Learn more: openhouse.arbitrum.io
The Buildathon program focused on supporting teams in 3 key areas: 1. Technical readiness: Hands-on workshops teaching teams how to build effectively on the Arbitrum Platform, from core infra to best practices. 2. Product execution: Guidance on building clear, user-focused
3 days left to apply for Arbitrum NYC Founder House. An IRL builder experience starting on March 6th for early-stage teams looking for: - Up to $340K in prizes + grants - Hands-on mentorship (product, infra, GTM) - Direct access to ecosystem leaders like Robinhood, Alchemy &
Learn more about the program here: blog.arbitrum.foundation/introducing-th…
Arbitrum Everywhere Episode 4: Ethereum Scaling Roadmap Discussion
The fourth episode of Arbitrum's *Arbitrum Everywhere* series features Anthony Sassano, founder of The Daily Gwei. **Key Discussion Points:** - How Arbitrum integrates into Ethereum's long-term scaling strategy - The impact of upcoming Ethereum upgrades on the broader ecosystem - Arbitrum's role in strengthening Ethereum's infrastructure This follows the previous episode with Offchain's CEO, which explored institutional adoption through platforms like Robinhood. [Watch the full episode](link in original post)
Arbitrum Announces Multidimensional Gas to Boost Network Capacity

Arbitrum is preparing to launch **multidimensional gas**, a technical upgrade designed to increase network capacity and scalability. The Layer 2 solution emphasizes that strong execution infrastructure is driving enterprise adoption. The upcoming gas mechanism aims to provide more flexibility for onchain operations. **Key points:** - Multidimensional gas coming soon to Arbitrum - Focus on enabling programmable economies to scale - Businesses selecting Arbitrum for reliable execution - Upgrade will unlock additional network capacity
Arbitrum Dynamic Pricing Cuts Fee Spikes by 98% During Peak Demand
Arbitrum's new dynamic pricing system has delivered significant results during recent network stress tests. **Key Performance Metrics:** - Fee spikes reduced by up to 98% during peak demand - Handled 2.4x more demand with 15% lower fees - Fee volatility decreased by approximately 17x compared to other networks **How It Works:** The system moves beyond single gas pricing to track real network bottlenecks across compute, storage, and history growth. This approach enables more predictable costs during high-traffic periods. **Business Impact:** Predictable fees allow businesses to forecast costs accurately, manage risk effectively, and scale operations with confidence. The upgrade supports reliable system design for applications operating onchain. Full technical details and data: [blog.arbitrum.io/predictability-at-peak-demand](https://blog.arbitrum.io/predictability-at-peak-demand/)
Robinhood Chain Testnet Gains Developer Momentum with $1M Support
Developers are actively building on the **Robinhood Chain Testnet**, which focuses on infrastructure testing and onboarding. Robinhood is backing serious teams through a **$1M sponsorship** of Arbitrum's Open House program. **Key developments:** - Testnet enables contract deployment, bridging, and tokenized asset flow testing - Builders can access workshops, mentorship, and technical guidance - The chain runs on Arbitrum's platform, offering custom gas tokens and fee control - Follows Robinhood's 2,000+ Stock Tokens launch on Arbitrum One for EU users The testnet represents **Phase 1** of Robinhood's roadmap to migrate from shared rails to dedicated Layer 2 infrastructure. Phase 2 will bring mainnet launch with production-ready tokenized stocks, 24/7 trading, and self-custody features. Start building: [robinhood.com/chain](http://robinhood.com/chain)