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Originally Posted by WreCkeRer
y not just put something like "type what u see below" its the most common anti bot question....
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It maybe simple, but some bots can "see" text using Optical Character Recognition, whilst this will stop a basic bot, it will not stop a determined coder.
Basic intelligence captchas requiring the user to read and answer a question are needed, and imo the random numbers generated need to be smaller and the operation (addition, subtraction, multiplication etc) symbols made clearer so that you can't confuse + with x.
My two cents
