LUCY is a blockchain-based decentralized rental community. In the decentralized blockchain network, idle housing resources and consumers around the world are linked in a shared way. Relying on long-term rental and short-term rental in the tens of trillions of market demand in the global rental field, increase the utilization rate of global idle real estate resources. Provide credible, transparent, and traceable multi-party collaborative solutions for house source owners, house source operators, and house source consumers to achieve multi-party high-yield, high-efficiency, and high-quality win-win goals. Lucy will provide property owners and property operators with a free property management SaaS management system, making offline property and property information online. Provide a complete set of IoT products such as smart door locks + smart power saving + smart furniture + smart fire protection to standardize online information. Provide credible data collected by Internet of Things devices in the rental behavior on the blockchain, and create a distributed operating ledger in the global rental field. Provide operators with crowdfunding, supply chain finance, upstream and downstream collaboration and other services. Provide consumers with high-quality, cost-effective, safer and more reliable rental products.