Why do you need email verification code for digital currency
Publish: 2021-05-19 12:36:52
1. The role of verification code: effectively prevent this problem, a specific registered user with a specific program brute force cracking way for continuous landing attempts, in fact, verification code is now a popular way for many websites (such as China Merchants Bank's online personal banking, Tencent's QQ community), we use a relatively simple way to achieve this function. Although landing is a bit troublesome, it is necessary and important for the community. But we still remind you to mainly protect your password, try to use more than 6-digit passwords mixed with numbers, letters and symbols, and don't use simple passwords such as 1234 or passwords that are the same as or similar to user names. Don't just come to iClub to ask questions and set your password at will. Protecting your own password is also protecting yourself, so that your account will not be embezzled and bring unnecessary trouble to yourself~
(1) captcha is generally used to prevent batch registration. It seems that human eyes are struggling, not to mention machines. Second, if the internet post bar does not log in, it is necessary to enter the verification code to prevent the occurrence of large-scale anonymous replies. At present, many websites use the verification code technology to prevent users from using robots to automatically register, log in and irrigate. The so-called verification code is to generate a picture from a series of randomly generated numbers or symbols, and add some interference pixels (to prevent OCR) in the picture. The user can identify the verification code information with his naked eye, input the form and submit it to the website for verification, and use a function only after the verification is successful< The common verification code is
1, four digits, a random number string, and the original verification code. The verification function is almost zero. 2. Users of CSDN website log in with GIF format, which is commonly used random number picture verification code. The characters in the picture are more regular, and the verification function is better than the previous one. No basic knowledge of graphics and graphics, not broken! Unfortunately, the program to read it seems to have been published in the Forum on the first day when CSDN used it. What a pity
3. Users of QQ website log in with PNG format, and the pictures use random numbers + random capital English letters. The whole composition is a little publicity. Every time you refresh it, each character will change its position! Sometimes the pictures can't be recognized by human eyes. It's amazing... 4. MS hotmail applied in BMP format, random number + random capital letters + random interference pixels + random position
5. Google's Gmail is registered in JPG format, with random English letters + random color + random location + random length. 6. XBM format is used in other major forums with random content
(4) significance: in order to prevent users from using robots to automatically register, log in and irrigate water, many websites use captcha technology. The so-called verification code is to generate a picture from a series of randomly generated numbers or symbols, and add some interference pixels (to prevent OCR) in the picture. The user can identify the verification code information with his naked eye, input the form and submit it to the website for verification, and use a function only after the verification is successful.
(1) captcha is generally used to prevent batch registration. It seems that human eyes are struggling, not to mention machines. Second, if the internet post bar does not log in, it is necessary to enter the verification code to prevent the occurrence of large-scale anonymous replies. At present, many websites use the verification code technology to prevent users from using robots to automatically register, log in and irrigate. The so-called verification code is to generate a picture from a series of randomly generated numbers or symbols, and add some interference pixels (to prevent OCR) in the picture. The user can identify the verification code information with his naked eye, input the form and submit it to the website for verification, and use a function only after the verification is successful< The common verification code is
1, four digits, a random number string, and the original verification code. The verification function is almost zero. 2. Users of CSDN website log in with GIF format, which is commonly used random number picture verification code. The characters in the picture are more regular, and the verification function is better than the previous one. No basic knowledge of graphics and graphics, not broken! Unfortunately, the program to read it seems to have been published in the Forum on the first day when CSDN used it. What a pity
3. Users of QQ website log in with PNG format, and the pictures use random numbers + random capital English letters. The whole composition is a little publicity. Every time you refresh it, each character will change its position! Sometimes the pictures can't be recognized by human eyes. It's amazing... 4. MS hotmail applied in BMP format, random number + random capital letters + random interference pixels + random position
5. Google's Gmail is registered in JPG format, with random English letters + random color + random location + random length. 6. XBM format is used in other major forums with random content
(4) significance: in order to prevent users from using robots to automatically register, log in and irrigate water, many websites use captcha technology. The so-called verification code is to generate a picture from a series of randomly generated numbers or symbols, and add some interference pixels (to prevent OCR) in the picture. The user can identify the verification code information with his naked eye, input the form and submit it to the website for verification, and use a function only after the verification is successful.
2. Now there is a tool that can automatically fill in information, and a large number of users will be registered in a very short time, which will cause great pressure to the
website server. In order to prevent this kind of thing, we invented this
verification code
, which can not be recognized by the machine, only by talents.
website server. In order to prevent this kind of thing, we invented this
verification code
, which can not be recognized by the machine, only by talents.
3. It's a verification code in the email address you fill in after you complain. You can input the verification code and pull it
4. When you register on the website or apply for an account,
you will send the email verification code to the email you filled in
you can confirm that the email is correct,
it belongs to you,
in this way, when you lose your password, you can take the email as a proof of your identity,
only when you fill in the email verification code correctly can you prove that you are the owner of the account />I hope I can help you.
you will send the email verification code to the email you filled in
you can confirm that the email is correct,
it belongs to you,
in this way, when you lose your password, you can take the email as a proof of your identity,
only when you fill in the email verification code correctly can you prove that you are the owner of the account />I hope I can help you.
5. Is the network to send verification code to your mailbox, and then you log in to your mailbox, check the mail, see your verification code!
6. Well,
when you register, you need to fill in the email address
and then receive the email
and you will see a link
or
verification code
when you register, you need to fill in the email address
and then receive the email
and you will see a link
or
verification code
7. Mailbox verification code is the letter shown in the picture below when logging in to the mailbox. It needs to fill in the verification when logging in to the account to ensure the security of the number (mainly for anti-theft. If you find out that the IP is not local, you will immediately inform QQ to modify the password).
8. Mailbox verification code is the letter shown in the picture below when logging in to the mailbox. It needs to fill in the verification when logging in to the account to ensure the security of the number (mainly for anti-theft. If you find out that the IP is not local, you will immediately inform QQ to modify the password).
9. Send the verification code to your email. You may not have an email. It's really inconvenient to use without email. You can download Netease email master. Netease email master has full functions. Many people use it. After installation, you can register with mobile phone number, name or Pinyin,
10. Hello, this verification code is actually the e-mail address that the website sends to you when you register, such as in QQ mailbox. Please log in to your email, you can find this verification email in your email box, and click the link to complete the verification
but if you use an address that doesn't exist at all, you can't receive a verification email. Some websites may allow you to continue to log in, but it is recommended that you see if you can change the address. This is usually in the personal center or account management, otherwise you can't retrieve the password in the future. Some do not let you continue to log in, then you have to re apply.
but if you use an address that doesn't exist at all, you can't receive a verification email. Some websites may allow you to continue to log in, but it is recommended that you see if you can change the address. This is usually in the personal center or account management, otherwise you can't retrieve the password in the future. Some do not let you continue to log in, then you have to re apply.
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