How does StakeWise work?

Could you please elaborate on the inner workings of StakeWise? How does it operate and function in the world of cryptocurrency and decentralized finance? I'm particularly interested in understanding its unique selling points and how it manages to offer attractive staking yields to its users. Is it through innovative liquidity pools or by leveraging cutting-edge smart contract technology? I'd appreciate a comprehensive yet concise explanation that highlights the key features and benefits of StakeWise.