IEC (Intellective Estate Chain) is dedicated to serving the global real estate industry. It is the first public chain developed for the physical sector that combines blockchain with artificial intelligence. Primarily applied in transactions, provenance verification, leasing, finance, tourism, elderly care, and community scenarios within the global real estate rights domain, it enables peer-to-peer payments. IEC realizes property rights digitization, immovable asset chaining, and provenance verification for real estate, ensuring the authenticity and uniqueness of properties. It eliminates repetitive data collection and entry of property information and fraudulent multiple mortgage practices, streamlining transaction processes and enhancing work efficiency. By uniting real estate developers and users in need, IEC aims to build a real estate blockchain community with hundreds of millions of users, creating a decentralized, transparent, trustworthy, secure, shared, and thriving real estate blockchain business ecosystem.