# Before, During, and After: The 3 Sides of Parallel Execution | Danno Ferrin - Hyperledger Besu |

- Speakers: [Danno Ferrin](https://streameth.org/speakers/danno-ferrin)
- Channel: [Ethereum Denver](https://streameth.org/ethereum-denver)
- Date: 2024-10-09
- Duration: 20:38
- Topics: blockchain, web3, ethereum, Education
- Watch: https://streameth.org/watch/yt-Hkaa6OIAmF8
- YouTube: https://www.youtube.com/watch?v=Hkaa6OIAmF8

## Description

Every story has three sides, and parallel EVMs are no exception. In this session, we will examine how different EVMs achieve parallelism before and during execution, then explore how protocol changes can weave parallelism to the end of the protocol and improve end-user experiences.