audio accessories of universal u-shield can be divided into two types: independent and built-in according to the different combination methods with online banking u-shield. Independent audio accessories are divided into two types: A and B according to whether they support the U shield of stock online banking. \xd\ The types of audio accessories that can be produced by the four U-Shield suppliers are as follows: Tiandi Rong brand has independent A-type, independent B-type (supporting U-Shield in stock online banking) and built-in type; Minghua brand has independent type A, independent type B and built-in type; Feitian and Hua Hong brands only have independent A models and built-in models. \xd\\xd\ 1. U shield, which is the customer certificate USBkey issued by our bank in 23 and obtained national patent, is a high-level security tool provided by our bank for online banking. It looks like a USB flash drive, like a shield, always protecting the safety of your online banking funds. \xd\\xd\ 2. From a technical point of view, 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 124-bit asymmetric key algorithm to encrypt, decrypt and digitally sign online data to ensure the confidentiality, authenticity, integrity and non-repudiation of online transactions. \xd\\xd\ 3. With the U shield, you don't have to worry about various risks such as hackers, fake websites, Trojan viruses, etc. when you handle online banking business. The U shield can guarantee the safety of your online banking funds. Using U-Shield is your best choice. As long as your login card number, login password, U-Shield and U-Shield password are not disclosed to one person at the same time, you can safely use online banking. \xd\\xd\ 4. Compared with U shield, the password card of electronic bank is not as advanced as the former, but it is cheap and easy to use, and it is enough to cope with common risks such as hacker attacks, fake website fraud, Trojan virus, etc. It is very suitable for ordinary online banking customers who do not require high payment limit. If you want to enjoy all the functions of online banking and have higher requirements for the security of online banking, I suggest you apply for ICBC U shield. \xd\\xd\ 5. Category: On the back, the serial number 1 starts with Jiede, 2 and 3 start with Jinbangda, 4 starts with Hua Hong, 5 starts with Feitian, 6 starts with Minghua, and 7 starts with Harmony between Heaven and Earth.