Vitalik Buterin wants to simplify Ethereum’s architecture for scalability, security, and decentralisation.He proposes a leaner '3-slot finality' model to replace complex elements like sync committees and validator shuffling.Buterin aims for a structural clarity in Ethereum similar to Bitcoin, emphasizing simplicity for efficiency and sustainability.He also suggested replacing the Ethereum Virtual Machine (EVM) with RISC-V and improving the fee model for small-scale developers.