Core Viewpoint - The article discusses the functionalities of social security cards, specifically the distinction between social security accounts and bank accounts, and the conditions under which funds can be accessed. Group 1: Social Security Accounts - Social security accounts typically refer to the balances in pension and medical insurance personal accounts, which generally cannot be withdrawn freely as they are designated for pension payments and medical expenses [5] - The balances in these accounts can be checked through various online platforms such as the electronic social security card app, the 12333 app, and the national government service platform [6] Group 2: Bank Accounts - Once the financial function of the social security card is activated, it can be used as a regular bank debit card, allowing for cash withdrawals, transfers, and payments, as well as supporting various types of payments and benefit collections [7] - The bank account balance can be checked through the service bank's counter, ATMs, and mobile banking [8] Group 3: Card Replacement and Fund Transfer - When replacing a social security card, the funds in the bank account are not affected, and the original card's bank account funds can be transferred to the new card after user authentication [10][11] - The original bank account must be canceled within a certain period according to management requirements, and users are responsible for transferring the funds from the original card [11]