Pu Duan

Title: **Innovations of Pu Duan: Pioneering Data Privacy Technologies**

Introduction

Pu Duan, an esteemed inventor based in Hangzhou, China, has made significant contributions to the field of data privacy technology. With a portfolio boasting two patents, he is recognized for his innovative approach to ensuring secure data exchange between parties.

Latest Patents

Duan's latest patents focus on advanced privacy protection methods. The first patent, titled "Common Data Determining Methods, Apparatuses, and Systems for Protecting Privacy," describes an intricate process where a first party encrypts a data set and sends a single-encrypted full data set to a second party. The second party then re-encrypts this data to create a double-encrypted data set. Through a series of careful steps involving sampling and intersection determination, the parties can exchange information while maintaining the integrity and confidentiality of the data involved.

His second patent, "Query Optimization Methods, Apparatuses, and Systems for Secure Multi-Party Database," introduces a comprehensive method for optimizing queries in a multi-party database environment. This patent outlines the process of generating multiple execution plans for a query and determining the most cost-effective option based on secure computation results received from various query engines. This innovation enhances the efficiency and security of database operations among multiple stakeholders.

Career Highlights

Pu Duan is currently affiliated with Alipay (Hangzhou) Information Technology Co., Ltd., where he further develops his expertise in data protection technologies. His role within such a prominent company allows him to leverage his innovative ideas in practical applications, contributing to the advancement of secure financial transactions and data management.

Collaborations

In his journey as an inventor, Duan collaborates with talented individuals such as Jian Du and Yang Yang, who are also engaged in the field of data technology. These collaborations foster a dynamic environment for innovation and problem-solving, pushing the boundaries of what is possible in data privacy and security.

Conclusion

Pu Duan's work exemplifies the vital role of inventors in shaping the future of technology, particularly in the realm of data privacy. His patents not only address current challenges in secure data management but also lay the groundwork for future innovations in this critical area. As businesses and individuals increasingly prioritize data security, Duan's contributions will undoubtedly have a lasting impact on the industry.