As an important unit of financial information service platform, Paipaidai Lending App is committed to create a product system including investment diversification，financial products, investment tool, and debts assignment. Therefore investors could make investment more efficiently and dispersedly, which also provides stable profit and high-quality experience. This platform could assist borrowers a convenient, simple and fast loan transaction processing, to meet their requirements among business, life and consumption fields. Since its foundation, this product insists on “Available Finance” as the principle of service. We aim at the simplest and safeties product by combing techniques of big data and blockchain. Those techniques keep upgrading process and optimizing algorithm that guarantees security and promotes the development of China’s inclusive finance.