Peter Robinson described Sidechains, Optimistic Rollups, and zkRollups; how they work; and how they will provide scaling to Ethereum MainNet.
Watch the Ethereum Enineering Group video : Scaling Ethereum
![Etheruem_scaling_sidechains](https://blockchain-resources.com/wp-content/uploads/2022/10/Etheruem_scaling_sidechains.png)
Peter Robinson described Sidechains, Optimistic Rollups, and zkRollups; how they work; and how they will provide scaling to Ethereum MainNet.
Watch the Ethereum Enineering Group video : Scaling Ethereum