According to Sina Finance report, Shen Yun, chief data scientist of 360 Finance, said that fintech has entered the second half driven by big data, cloud computing, artificial intelligence, blockchain and other technologies from the stage of relying on the Internet and mobile Internet. He made an image analogy of the relationship between big data, cloud computing, artificial intelligence, and blockchain: "In terms of cooking, big and diverse big data is the raw material for cooking. Artificial intelligence is equivalent to recipes. How to combine different kinds of raw materials and spices, cloud computing is more like kitchenware, and blockchain is based on its characteristics that cannot be tampered with and cannot be forged. It is more like providing quality inspection of raw materials, and it is more about data level security issues.