StakeStone is a decentralized protocol that offers scalable, yield-optimizing services for Ethereum stakers. It utilizes STONE, a non-rebase token, to represent staked ETH, providing competitive yields across multiple blockchains through decentralized portfolio optimization. StakeStone supports cross-chain compatibility and multi-scenario adaptation, enabling users to maximize capital efficiency with real-time yield generation. It promotes an eco-system where STONE can be utilized in diverse DeFi scenarios, including exchanges, stablecoin minting, lending, and derivatives markets.