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The #1 podcast for crypto natives to learn about new concepts, trends and projects in blockchain, DeFi, NFTs and Web 3.

Jason Choi (@mrjasonchoi) goes deep into the technology and economics behind crypto projects to dissect trends and themes in a global context.

Strictly not financial advice.

Feb 23, 2023

Over the past few months, there has been a steady uptick in activity on Arbitrum, an Optimistic Layer 2 scaling solution on Ethereum. 

Today, Arbitrum is home to popular DeFi dApps and GameFi projects like GMX and Treasure and owns more than 50% of the market share against other Layer 2s like Optimism and Metis.

In this Blockcrunch episode, A.J Warner, Chief Strategy Officer at Offchain Labs shares with us:

  • How the rollup landscape has evolved

  • Difference between Arbitrum One, Arbitrum Nova and Optimism

  • How Arbitrum became the top Layer 2

  • Path towards decentralization

Host: Jason Choi @mrjasonchoi . Not financial advice.



(00:00:00) – Introduction to Arbitrum

(00:03:19) – Rollup landscape NOW vs a year ago

(00:06:34) – Arbitrum One gas fees vs Ethereum

(00:09:16) – Arbitrum Nova; Arbitrum chain for social and games

(00:14:19) – Trade-off of Arbitrum One vs Nova

(00:17:43) – Apps verticalizing into their own app roll-ups

(00:20:53) – Partnership with Reddit & social use-cases

(00:25:17) – Arbitrum latest upgrade - Stylus

(00:29:26) – Arbitrum vs Optimism

(00:32:03) – Value accrual across different blockchain layers

(00:35:34) – Path toward decentralization

(00:38:26) – Changing from Optimistic to ZK rollup


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More Resources:


Arbitrum’s Website:

Arbitrum’s Twitter:

A.J. Warner’s Twitter:



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The Blockcrunch Podcast (“Blockcrunch”) is an educational resource intended for informational purposes only. Blockcrunch produces a weekly podcast and newsletter that routinely covers projects in Web 3 and may discuss assets that the host or its guests have financial exposure to. Views held by Blockcrunch’s guests are their own. None of Blockcrunch, its registered entity or any of its affiliated personnel are licensed to provide any type of financial advice, and nothing on Blockcrunch’s podcast, newsletter, website and social media should be construed as financial advice. Blockcrunch also receives compensation from its sponsor; sponsorship messages do not constitute financial advice or endorsement.


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