Jing Xin: publicly available information about this author is currently limited, and detailed biographical background cannot be confirmed. According to the library's holdings, Jing Xin has one work, 100 Questions About the Digital Renminbi, catalogued under finance. The book addresses the topic of the digital renminbi in a question-and-answer format and belongs to financial writing aimed at general readers. Based on the available information, the author's approach favors turning a fairly specialized financial subject into clear, accessible knowledge entries, helping readers build a basic understanding of the digital renminbi in a short time. Because material on the author is sparse, a full assessment of their writing career and overall style is not yet possible; only this single work can be used to note an interest in real-world financial topics and a style that emphasizes readability and practicality.