{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of a virtual credit system?","a":"Data-driven: The virtual credit system relies on massive data for analysis and evaluation. By collecting users' online behavior, transaction records, personal information, etc., it mines users' credit  characteristics and credit value."}]}],"pr":"0001f80808b2c1b0a0ae2652bf9ffd03c0057fada3126a99cb9ddf9840f89428"}