In today's society, two-dimensional code payment methods have been widely used in offline small payment scenarios such as food and beverage stores, supermarkets, and convenience stores. However, there are still hidden risks in the bar code generation mechanism and transmission process, which has also caused many related issues. Pay for security risk cases. Which of the following _______ items can explain the conclusions in the stem. ['Static barcodes can be easily tampered with or altered, and can easily carry Trojan horses or viruses.', 'Offline code scanning payment brings convenient consumer experience to users.', 'Merchants use offline code scanning to pay for themselves to improve their operating income.', 'After the advanced token technology is used for mutation processing, the real card number information can be protected.']