Group 1 - The core point of the article is that China Construction Bank has obtained a patent for a method and device related to "network main node election," with the patent granted on January 2023 [1] Group 2 - China Construction Bank, established in 2004 and located in Beijing, primarily engages in monetary financial services, with a registered capital of approximately 26.16 billion RMB [1] - The bank has made investments in 37 companies, participated in 44,982 bidding projects, and holds 1,895 trademark records and 5,000 patent records, along with 149 administrative licenses [1] Group 3 - Jianxin Financial Technology Co., Ltd., founded in 2018 and based in Shanghai, focuses on software and information technology services, with a registered capital of approximately 1.73 billion RMB [1] - The company has invested in 6 enterprises, participated in 4,484 bidding projects, and possesses 294 trademark records and 5,000 patent records, in addition to holding 10 administrative licenses [1]