Core Viewpoint - The electronic social security card is the online version of the physical social security card, corresponding to it and sharing the same functions. Group 1: Eligibility and Application - Holders must have already received a physical social security card that has not been canceled to apply for the electronic version [2][4] - The electronic social security card can be applied for through various platforms, including the electronic social security card APP, WeChat mini-program, Alipay mini-program, and others [2][4] Group 2: Features and Services - The electronic social security card allows for family members, such as children and the elderly, to also apply for their own cards [5] - When replacing a physical social security card, the original card will be canceled, but the electronic card can be restored without reapplying once the new card is received [5] - The electronic social security card remains usable even if the physical card expires, but it will become unusable if the physical card is canceled [5] Group 3: Additional Functions - The electronic social security card APP provides various services, including job searching, calculating insurance contributions, and checking personal social security certificates [9][10]