[Vitalik: Simplifying the Ethereum system is important, focusing on hardware layer development] April 22 news, Vitalik stated during a conversation with Xiao Feng that the Ethereum ecosystem consists of multiple layers, including protocol and application layers. Having just one layer is not enough, so attention will also be given to hardware layers and security. Vitalik emphasized that system simplification is crucial for Ethereum because excessive complexity can lead to reduced participation from both users and developers. Additionally, it can negatively impact user experience.