On July 11, China Mobile joined hands with Industrial and Commercial Bank of China, China Telecom, China Unicom and Bank of China to launch a SIM card hard wallet product on the Digital renminbi App. This product has the function of no power and no network payment, promoting Digital renminbi payment to be more convenient and experience more friendly. The phone screen is black, and with just a touch of the POS machine, the transaction receipt is printed out... The entire payment transaction process is very smooth. This is the scene that the reporter saw on July 11th at the Xidan Business Hall of China Unicom in Beijing. Mr. Wang, who is handling the phone charge recharging business here, changed the super SIM card in the spirit of trying new things, and became the first user of Digital renminbi SIM card hard wallet. It's really convenient, you don't have to worry about your phone suddenly running out of power anymore, "Mr. Wang said. SIM card hard wallet refers to connecting the Digital renminbi soft wallet to the super SIM card to enable the SIM card to have the Digital renminbi payment function. At the same time, the SIM card hard wallet has no electricity or internet payment function. The mobile phone can be used in situations such as network disconnection, screen on, screen off, and power off without power. Even when encountering unexpected situations where the phone cannot be turned on, it can easily cope with it. The feature upgrade has made the scenario of power off and network free payment a reality. The reporter learned that the user who holds the operator's ordinary SIM card can directly upgrade to a super SIM card in the business hall with his personal ID card, but at present only the Android phone with NFC function supports the use of Digital renminbi SIM card hard wallet. In fact, Digital renminbi no network and no electricity payment can also be realized on some fixed brand and model Android phones before, and the launch of this new function has greatly expanded the use range of Digital renminbi no electricity payment function. "SIM card is the most widely used security hardware medium at present. The three operators have very large user scale, high penetration and acceptance, and SIM card hard wallet will be widely used in applications. This will greatly expand the application scenarios of Digital renminbi and enrich the application range. Compared with other hard wallets, SIM card hard wallet has obvious advantages, which will help to further popularize Digital renminbi." said Dong Ximiao, the chief researcher of China Merchants Association, The launch of the Digital renminbi SIM card hard wallet has enriched the Digital renminbi business form, and also expanded the application of super SIM cards, allowing users to have a convenient payment experience of "one card in hand, all over the world". It is worth noting that SIM card hard wallets have a high level of security. At the same time, users can flexibly set the amount of small amount secret free payment to open or close through the Digital renminbi wallet to ensure consumption safety. "If the mobile phone is lost unfortunately, users can log in to the Digital renminbi App on another mobile phone to report the loss of the SIM card hard wallet in time and stop paying, without worrying about the account theft," said Sun Binfeng, Digital renminbi project manager of China Mobile Financial Technology Co., Ltd. Since the pilot project of Digital renminbi, the scope of the pilot project has been expanded and the application scenarios have been enriched. As of December 2022, 26 regions in 17 provinces have launched Digital renminbi pilot projects. Recently, the Ministry of Human Resources and Social Security issued the "Implementation Plan for Digital Human Resources and Social Security Construction Action", which requires improving the level of social security card, social security card, and bank linkage services, and exploring the promotion of social security cards