Group 1 - The core point of the article is that the Industrial and Commercial Bank of China (ICBC) has obtained a patent for a method and device related to "hidden signature methods and verification" with the announcement number CN114584968B, applied for in March 2022 [1] - ICBC was established in 1985 and is headquartered in Beijing, primarily engaged in monetary financial services [1] - The registered capital of ICBC is approximately 35.64 billion RMB [1] Group 2 - According to data analysis from Tianyancha, ICBC has invested in 28 companies and participated in 5,000 bidding projects [1] - The bank holds 965 trademark information entries and 5,000 patent information entries, along with 79 administrative licenses [1]