# Fireside Chat with Steven Goldfeder (Offchain) and Amanda Cassatt (Serotonin) at ETHConf

- Speakers: [Steven Goldfeder](https://streameth.org/speakers/steven-goldfeder)
- Channel: [ETHGlobal](https://streameth.org/ethglobal)
- Date: 2026-07-09
- Duration: 24:34
- Topics: Offchain Labs, Steven Goldfeder, Amanda Cassatt, Serotonin, ETHConf, Arbitrum, L2, rollup centric roadmap, Ethereum, Vitalik, Princeton, smart contracts, scaling, Prism, consensus client, institutions, Tempo, Circle Arc, Robin Hood, Base, Orbit chains, landlord vs tenant, invisible infrastructure, tokenized stocks, Arbitrum DAO, fragmentation, smart routing addresses, ZeroDev, chain abstraction, smart wallets, AI agents, Sybil attack, agentic commerce, prediction markets, USDA, GMX, perps
- Watch: https://streameth.org/watch/yt-L28JRMT4THQ
- YouTube: https://www.youtube.com/watch?v=L28JRMT4THQ

## Description

In this fireside chat, Amanda Cassatt from Serotonin sits down with Steven Goldfeder, co-founder of Offchain Labs, to discuss Arbitrum's origins, the evolving role of L2s, and how institutions are reshaping the Ethereum ecosystem. Steven traces Arbitrum back to a fall 2014 Princeton class project led by his co-founder Ed, nearly a year before Ethereum went live, when it was a purely academic pursuit around scaling the theorized concept of smart contracts. Years later, when platforms hit real scaling issues, he and co-founders Ed and Harry took the vision out of the ivory tower. On Vitalik's comment that the rollup centric roadmap no longer makes sense and that an L2 which doesn't fully decentralize is just a vampiric L1 with a bridge, Steven welcomes Ethereum ending its neutral stance toward chains that latched onto the brand without being secured by it, noting Arbitrum was built from day one with proofs connecting it to Ethereum.

Steven identifies two major shifts. First, Arbitrum built its own identity, evolving from Ethereum users wanting a cheaper path to majority Arbitrum first users drawn by deep liquidity, apps like GMX, and 250 millisecond block times, making it a top five blockchain by economic activity. Second, L2s now have a purpose independent from scaling: institutions want their own chains for branding, compliance, and privacy, choosing between their own L1 (Stripe's Tempo, Circle's Arc) or an Ethereum L2 (Robin Hood on Arbitrum, Coinbase's Base). He argues Ethereum is the only L1 that can cater to them through the L2 model. He uses Robin Hood's landlord versus tenant framing, explains why fading into invisible infrastructure is best for global adoption (the cat video on AWS versus GCP analogy), and notes the Arbitrum DAO still collects 10% of Robin Hood chain revenue. He covers solving fragmentation through smart routing addresses and ZeroDev chain abstraction, his view that AI agents are closer to a Sybil attack than a solution, his bullishness on non financial use cases like prediction markets and USDA's AI hardware lending, and how Offchain connects institutions to Ethereum while the Foundation stays focused on CROPS.

00:00 Introduction
00:11 From Aspiring Professor to Founding Arbitrum
01:01 The Fall 2014 Princeton Class Project
01:43 Taking Arbitrum Out of the Ivory Tower
02:12 Is Vitalik Right About the Rollup Centric Roadmap
02:41 Why Ethereum Ended Its Neutral Brand Stance
03:09 How Arbitrum Was Built Connected to Ethereum
03:30 Two Core Things That Have Changed
03:48 From Ethereum First to Arbitrum First Users
04:23 Arbitrum as a Top Five Blockchain
04:44 Why L2s Have a Purpose Independent of Scaling
05:26 Institutions Choosing L1 vs L2
05:54 Why Ethereum Is the Only L1 That Can Fight
06:30 Offchain's Role in Scaling the Layer 1
07:11 Is the Case for L2s Now Institutional Onboarding
07:45 Why Institutions Want Their Own Branded Chains
08:15 Owning the Chain to Collect Fee Revenue
08:40 The Landlord vs Tenant Strip Mall Analogy
09:29 What Is Arbitrum in the Landlord Metaphor
10:06 The Risks and Rewards of Invisible Infrastructure
10:46 Fueling Robin Hood's International Expansion
11:28 The Cat Video on AWS Analogy
11:48 Why the DAO Still Benefits in Dollars and Cents
12:13 Fragmentation Across L2s and L3s
12:45 Smart Routing Addresses and Chain Abstraction
13:52 Why Taking a Step Back Enables Going Forward
14:39 Will AI Agents Solve Fragmentation
15:32 Why Agents Add Usage Rather Than Solve It
16:03 Smart Wallets With Policies for Agents
16:48 Will Users Know They're Using Arbitrum in 10 Years
17:11 Why Escape Hatches Matter Even If Unused
18:11 Blockchain Gaming as an Example
18:58 Getting the Benefits Without Engaging the Details
19:17 Why the Right to Self Sovereignty Always Matters
20:01 Bullish on Non Financial Use Cases
20:34 Why Arbitrum Has Been Finance Focused From the Start
21:08 Prediction Markets and USDA AI Hardware Lending
21:49 What the Programmable Economy Really Means
22:16 How Arbitrum's Mission Fits Ethereum's Values
22:44 Believing in CROPS and Decentralization
23:30 Offchain as the Business Conduit for Institutions
24:06 A Harmonious Ecosystem With the Ethereum Foundation
24:27 Closing

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