公开(公告)号：US20230244405A1

公开(公告)日：2023-08-03

申请号：US18013152

申请日：2021-09-18

Applicant: CHINA UNIONPAY CO., LTD.

Inventor： Mingming GAN ,  Jijing HU ,  Jie LI ,  Yanming YANG ,  Hai ZHAO

IPC: G06F3/06

CPC classification number: G06F3/0652 ,  G06F3/067 ,  G06F3/0607

Abstract: This application provides a data storage method which is applied to a data storage device and includes: acquiring a first user identification and first user data of a first user; determining, from at least two preset distributed hosts in different areas, a first identification distributed host corresponding to the first user identification and a first data distributed host corresponding to the first user data; sending the first user identification to the first identification distributed host, so that the first identification distributed host stores the first user identification, and generates and stores a first identity identification corresponding to the first user identification; receiving the first identity identification; and sending the first identity identification and the first user data to the first data distributed host, so that the first data distributed host stores them in an associated manner.