# 'Eth 2 Sweet Tooth: Rollups and date-a availability' - Ben Jones

- Speakers: [Ben Jones](https://streameth.org/speakers/ben-jones)
- Channel: [ETHGlobal](https://streameth.org/ethglobal)
- Date: 2021-10-09
- Duration: 31:40
- Topics: Ben Jones, Optimism, Rollups, Eth2, ETHOnline, Ethereum
- Watch: https://streameth.org/watch/yt-q42NZw6Gle0
- YouTube: https://www.youtube.com/watch?v=q42NZw6Gle0

## Description

An overview of how rollups will use Eth2 as a data availability layer.