What is the use of Jin Jiang Hotel asking me for the verification code?

Because the real-name system of the Internet and merchants is now promoted. Therefore, whether it is an online forum or an offline hotel, real-name registration is required, so a mobile phone number and verification code are required, which is normal.

Jinjiang Hotel is a brand of Jinjiang International (Group) Co., Ltd. It is mainly engaged in the operation and management of star-rated hotels, the operation and franchising of budget hotels, and restaurant operations. Jinjiang Group has successively acquired French Louvre Hotel Group, Plateno Group, Vienna Hotel Group, Radisson Hotel Group, and strategically invested in French AccorHotels Group. According to information on the official website of Jin Jiang Hotels in April 2021, Jin Jiang Hotels Group owns or manages a total of 10,290 contracted hotels worldwide, with a total of approximately 1 million guest rooms, distributed in 68 countries around the world. Among them, there are 5,495 hotels owned or managed in China that have been opened, with a total of about 570,000 guest rooms.

The verification code (CAPTCHA) is the abbreviation of "Completely Automated Public Turing test to tell Computers and Humans Apart" (a fully automatic Turing test that distinguishes computers and humans). It is a public and fully automatic program that distinguishes whether a user is a computer or a human. It can prevent: malicious cracking of passwords, ticket fraud, forum flooding, and effectively prevents a hacker from using a specific program to brute force a specific registered user to continuously log in. In fact, using verification codes is a common method for many websites now. We use This function is implemented in a relatively simple way. This question can be generated and judged by a computer, but only a human can answer it. Since computers cannot answer CAPTCHA questions, the user who answers the questions can be considered a human.