The first digit of the U shield serial number represents the brand of the certificate. The first number at the beginning of the U shield is: 1- Jed, 2,3-Goldpac, 4- Hua Hong (if there is a screen, it is a generation), 5- Tian Fei, 6- Minghua, 7- Tiandi Rong.

It can be distinguished from the old version by whether there is an LCD screen on the U shield, 50 or 51-Tian Fei II, 60 or 61-Minghua II, 70 or 71-world integration II.

Extended data:

U shield, a customer certificate USBkey issued by ICBC in 2003 and obtained national patent, is an advanced security tool provided by ICBC for online banking. It looks like a U disk, and its safety performance is like a shield, which means U-shaped shield, so it is named "U shield".

Its function is to protect the security of online banking funds and avoid various risks such as hackers, fake websites and Trojan viruses when handling online banking business. U shield is a customer certificate USBkey issued by ICBC, which has obtained national patent. It is an advanced security tool provided by ICBC for online banking.

U shield is a tool for electronic signature and digital authentication of online banking. It has a built-in micro smart card processor, and uses 1024-bit asymmetric key algorithm to encrypt, decrypt and digitally sign online data to ensure the confidentiality, authenticity, integrity and non-repudiation of online transactions.

References:

Baidu encyclopedia: u shield