What are the mobile phone transaction code and dynamic password?

The mobile phone transaction code and dynamic password are as follows: 1. The meaning of dynamic password means that dynamic password is an unpredictable random number combination generated according to a special algorithm, and each password can only be used once, which is widely used in online banking, online games, telecom operators, e-commerce, enterprises and other application fields. 2. The meaning of the mobile phone transaction code means that the mobile phone transaction code is a transaction authentication method that customers use mobile phone short messages to verify transactions such as online banking transfer to others and online payment. Mobile phones, called mobile phones or wireless phones, are usually called mobile phones. At first, they were just a communication tool. In the early days, it was also commonly known as mobile phone. They are portable telephone terminals that can be widely used. They were originally developed from 1940 battlefield mobile phones manufactured by Bell Laboratories. 1958, Soviet engineer Leonid. Kupriyan Norwich invented лк- 1 mobile phone, 1973, marty cooper, an American Motorola engineer, invented the world's first commercial mobile phone. After the 2G era and 3G era, it has developed to the 4G era, followed by the 5G era, and the commercialization of 5G has appeared in China.