Quote:
|
you may have less job if you add this letter-typing thing to the registration process. So if you ask programs to enter some letters inside bitmaps, they will not succeed and the number of "spamming programs" will decrease.
|
There is already a prompt for confirmation code: six alphanumeric characters overlayed with noise. I have seen very hard-to-read text being
OCR'd. Most likely this type of
captcha code has also been defeated.