# App Chains vs Shared Rollups #ethereum

- Channel: [Devcon](https://streameth.org/devcon)
- Date: 2025-05-21
- Duration: 01:51
- Topics: blockchain, smart contracts, distributed ledger, ethereum, Science & Technology
- Watch: https://streameth.org/watch/yt-OaB1jo33HvU
- YouTube: https://www.youtube.com/watch?v=OaB1jo33HvU

## Description

Felipe Argento compares shared rollups and app-specific chains, revealing how per-interaction gas pricing slashes overhead and boosts scalability.

Keywords
app chains
rollups
gas costs
Layer 2
scalability
block size
Felipe Argento
Cartesi