TGIC (The Global Index Chain) is a public chain based on blockchain technology to disrupt the traditional financial industry. TGIC will rely on blockchain technology to create a secure, trustworthy, and shared new ecosystem in the financial industry. TGIC provides a complete distributed ledger system, a complete smart contract system, and system security system at the bottom, supporting various main application protocols, multi-dimensional authentication protocols, and various cross chain protocols. It provides technical systems including data distributed storage, cross chain smart contracts, Secure multi-party computation, and trusted data exchange. On this basis, TGIC provides a series of application frameworks that further support the implementation of various upper level applications through universal APIs, SDKs, and various application functional components.TGIC builds a series of ecological environments including digital index investment, digital asset custody, digital asset exchange, and digital asset liquidation. TGIC will promote the digitization of various assets and gradually replace various businesses in the traditional financial industry with decentralized financial applications based on blockchain technology....