What is the verification code of instant travel cloud computer?

Verify login detection. The popularity of SMS verification code on the mobile terminal is a witness to the migration of e-commerce and the opening of mobile Internet. In general, the verification code is sent to verify the login detection, so the verification code is received to verify the login detection. The verification code is a public automatic program, which is used to distinguish whether the user is a computer or a person. It can prevent malicious password cracking, ticket brushing and forum flooding, and effectively prevent hackers from constantly trying to log in to specific registered users by using specific program brute force cracking methods. In fact, using verification code is a popular way for many websites now, and we have realized this function in a relatively simple way.