What is the core idea or insight about potential improvement you want to pursue?  By combining and upgrading two new protocols, we aim to solve a longstanding issue in a traditional protocol—using the integration of ERC-404 and RWA to address the supply and demand contradictions in the real-estate market, unlocking the liquidity of vacant housing. This approach will help ordinary tenants, landlords, and disadvantaged groups gain access to the resources or benefits they need.