StaFi is the first liquid staking protocol for multiple PoS blockchains, aiming to solve the contradiction between mainnet security and token liquidity in PoS consensus. Now StaFi 2.0 is approaching, which is a major upgrade and rebranding: 1.Transformed from a multi-chain LSD protocol to an LSD Infra Layer, with upgraded brand. 2.A burn mechanism and new utilities. 3.Contract layer security added, including supports and frameworks for multiple VMs.