# Secure Off-Chain Data Availability for Ethereum L2s with Celestia | Mary Liu | ETHTaipei 2023

- Channel: [ETHTaipei](https://streameth.org/ethtaipei)
- Date: 2023-10-07
- Duration: 22:42
- Watch: https://streameth.org/watch/yt-rN0Mh_9a77A
- YouTube: https://www.youtube.com/watch?v=rN0Mh_9a77A