to improve the accuracy, validity and accessibility of data. in data sharing, we will collect and process as minimum data as necessary for exclusive use, and explore the application of secure multi - party computation, federated learning and other technologies. with these technologies, we will share data in a regulated way, keeping raw data within their original domains and using data without actually seeing or moving it. in data usage, we will enhance information interconnectivity between the finance and public service sectors, and foster the capability of providing customercentered data service with joint modeling, graph computing and other technologies, and tap into integrated data application scenarios, so as to empower the financial sector in multiple ways to serve the real economy and improve the people ’ s livelihood. in data protection, we will strictly enforce the data security law and the personal information protection law. we will establish a protection mechanism that covers the whole life cycle of data, and take such measures as private information retrieval and de - tokenization, so as to prevent the misuse or abuse of data and safeguard the security of financial data and personal privacy. second, we will develop digital infrastructure to consolidate the foundation of digital finance development. at the meeting of the standing committee of the political bureau of the cpc central 1 / 4 bis central bankers'speeches committee in march 2020, it was proposed to expedite the building of new infrastructure. following the new development trend of digital technologies, the financial sector should endeavor to build secure and reliable digital infrastructure that is properly arranged, so as to reinforce the “ digital base ” for financial transformation and innovation. in enhancing the efficiency of data centers, we will consider functional positioning, regional distribution, power supply and other factors comprehensively and take a holistic approach in the planning and construction of data centers. we will accelerate the green and low - carbon upgrading and transformation of the data centers, build and improve the intelligent operation and maintenance system featuring multiscenario collaboration and multi - node integrated management, and build a highly reliable multilayer disaster recovery system for data centers, with a view to safeguarding the digital transformation of financial institutions. in expanding the system capacity for computing power, we will apply cloud computing technologies to steadily advance the transformation o f distributed architectures, arrange advanced edge computing on an appropriate scale, and explore establishing public computing power infrastructure for the whole financial sector. with these measures, we will be able to meet the demand of the financial sector for computing resources stemmed from instantaneous businesses with high concurrency and

management, and thus empower the development of local economies and msbs. ladies and gentlemen! the 14th five - year plan period is an important period for china to achieve modernization and build china into a modern socialist country. the five years ahead are critical for deepening economic strategic transformation in china. the financial sector should bear high spirit to continue the centenary prime. we will remain true to our original aspiration, keep our mission firmly in mind, start a new chapter of innovation and development of digital finance, and contribute to promoting common prosperity. to conclude, i wish this forum a complete success. thank you! 4 / 4 bis central bankers'speeches