Group 1 - The State Intellectual Property Office of China has granted a patent titled "A Data Traceability Method and Device" to China United Network Communications Group Co., Ltd. and Unicom Group Financial Co., Ltd., with the patent announcement number CN116088874B and an application date of December 2022 [1] - China United Network Communications Group Co., Ltd. was established in 1994 and is based in Beijing, primarily engaged in telecommunications, broadcasting, television, and satellite transmission services. The company has a registered capital of 10,481,551,957.532 RMB [1] - The company has invested in 35 enterprises, participated in 3,322 bidding projects, and holds 3,738 trademark records and 5,000 patent records, along with 11 administrative licenses [1] Group 2 - Unicom Group Financial Co., Ltd. was established in 2016 and is also based in Beijing, focusing on monetary financial services. The company has a registered capital of 300,000,000 RMB [1] - The financial company has participated in 297 bidding projects, holds 6 patent records, and possesses 4 administrative licenses [1]