# 'Fast Withdrawal Schemes for the Optimism Rollup' - Bartek Kiepuszewski

- Speakers: [Bartek Kiepuszewski](https://streameth.org/speakers/bartek-kiepuszewski)
- Channel: [ETHGlobal](https://streameth.org/ethglobal)
- Date: 2021-10-07
- Duration: 24:47
- Watch: https://streameth.org/watch/yt-JFh5LT2rto4
- YouTube: https://www.youtube.com/watch?v=JFh5LT2rto4

## Description

Join Bartek Kiepuszewski of MakerDAO as he explains a solution to a major challenge to scaling via optimistic rollups: withdrawal times.