Blockchain Nations
David and Ryan discuss how blockchains resemble nations, with Ethereum L1 acting as a federal government and roll ups as cities. They draw parallels between the US constitution and Ethereum's central protocol, enabling free trade between states.In this clip
From this podcast

Bankless
103 - Blockchains are Cities | Haseeb Qureshi
Related Questions
How do rollups work in Ethereum as discussed in the episode 103 - Blockchains are Cities | Haseeb Qureshi and the clip Urban Scaling Solutions?
How do rollups work in Ethereum, as discussed in the episode 51 - 2020 Reflections on Crypto and Beyond | Vitalik Buterin and the clip Roll Ups: A Game-Changing Solution?