▲ Consumers use SIM card hard wallet to make Digital renminbi payment. Photographed by our reporter Ma Chunyang, on July 11, China Mobile, Industrial and Commercial Bank of China, China Telecom, China Unicom and Bank of China announced the launch of SIM card hard wallet products in Digital renminbi APP. On the day of the product launch, the reporter visited and experienced Xidan China Mobile Business Hall and Xidan Joy City in Beijing. In the business hall of Xidan China Mobile, users have gradually started to replace their super SIM cards, which are used to open SIM card hard wallets. In the eyes of many consumers, convenience, safety, reliability, and the ability to pay without electricity are the main reasons that attract them to use this feature. Subsequently, the reporter followed the opened users to a payment experience at a merchant in Xidan Joy City. During the payment process, users did not need to scan the QR code or call up the QR code, but simply touched the merchant's POS machine with their mobile phone to easily complete the payment. It is worth mentioning that the SIM card hard wallet supports the mobile phone to make Digital renminbi payment without opening the payment software when the network is disconnected, the screen is on, the screen is off, or the power is off. At the same time, the relevant settings of Digital renminbi can also ensure the security of funds. On the one hand, it can flexibly set the small amount of secret free payment according to needs; On the other hand, if you are concerned about financial risks, you can avoid opening small amount password free payments, which require verifying the password on the POS machine before payment can be made. At present, this function supports the use of SIM card hard wallet acceptance scenarios in Digital renminbi pilot areas. Consumers can consult three telecom operators, China Mobile, China Telecom, and China Unicom, to replace or receive a new Super SIM card. Currently, only Android phones with NFC function support SIM card hard wallet usage. The landing of Digital renminbi SIM card hard wallet has enriched the business form of Digital renminbi and the application of super SIM card, making super SIM card more convenient to integrate into users' daily life. At the same time, SIM card is the most widely used security hardware medium. China Mobile, China Telecom and China Unicom have a large number of users in total, with high penetration and acceptance. The implementation of Digital renminbi SIM card hard wallet is conducive to the popularization of Digital renminbi. SIM card hard wallet is to link the Digital renminbi soft wallet to the super SIM card, so that the SIM card has the Digital renminbi payment function. Digital renminbi users plug in the super SIM card issued by the operator, log in to the Digital renminbi APP, open the SIM card hard wallet, and use the NFC function of the phone to "touch" to complete the Digital renminbi payment. Since the People's Bank of China started the research and development of Digital renminbi at the end of 2017, it has included telecom operators, Internet enterprises and other institutions as participating research and development institutions. Telecom operators have been included in the top-level design of Digital renminbi from the beginning, helping Digital renminbi cover a wider range of retail payment scenarios, and improving the overall efficiency of the payment system. Digital renminbi SIM card hard wallet is the mutual empowerment of Digital renminbi and operator SIM card. "Since the beginning of this year, we have continued to tackle technical problems, and finally achieved the SIM card hard wallet on Digital renminbi APP recently