# Steven Wu | Rollup 101

- Channel: [Taipei Ethereum Meetup](https://streameth.org/taipei-ethereum-meetup)
- Date: 2021-10-09
- Duration: 23:30
- Topics: ethereum
- Watch: https://streameth.org/watch/yt-MEGMhflfY88
- YouTube: https://www.youtube.com/watch?v=MEGMhflfY88

## Description

Speaker intro
Steven Wu is a cryptography researcher at imToken Labs. imToken: https://www.token.im/

Talk description
"Rollup 101"
In this talk, we introduce what rollup is and why we need it. Also, we will compare zk rollups and optimistic rollups.