Vitalik Buterin spoke at Devcon 2024 in Bangkok, highlighting Ethereum's role in creating a decentralized global ecosystem.He noted the progress of Ethereum, transitioning from PoW to PoS, and the importance of L2 solutions like Optimistic Rollups and ZK Rollups.Buterin emphasized Ethereum as the key infrastructure for Web3, enabling a multitude of digital activities and applications.Ethereum's evolution is crucial to justify its place as a key infrastructure platform for Web3.