Recently, the opening ceremony of the 18th Shenzhen International Finance Expo was held at the Shenzhen Convention and Exhibition Center. At the opening ceremony, under the guidance and support of the Digital Currency Research Institute of the People's Bank of China (hereinafter referred to as the “Institute of Mathematical Research”), the Shenzhen Branch of the People's Bank of China, and the Finance Office of the Shenzhen Municipal Committee, the Shenzhen Fintech Research Institute collaborated with operating institutions such as Bank of China, China Merchants Bank, Industrial and Commercial Bank, Agricultural Bank, China Construction Bank, Bank of Communications, and Postal Savings Bank to develop and launch digital yuan visual hard wallets. According to information, as the main R&D and manufacturer of this digital yuan visual hard wallet, Chu Tianlong Co., Ltd. cooperated with many operating agencies to launch visual hard wallet products with unique surface and superior performance, providing key support for the successful launch of this product and the implementation of digital currency visual hard wallet application scenarios.