Soulcial is an AI-driven decentralized social protocol. Based on a set of multi-dimensional social evaluation models, users can evaluate their personal soul attribute index - SBTI on the chain, and generate a credible social identity. Based on a brand-new price discovery protocol and metaverse governance mechanism, the assetization and continuous appreciation of personal soul index are realized. Soulcial helps every Web3er connect efficiently and implement Connect2Earn.