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A place to come and discuss the features of this site, as well as suggest/request additions and modifications. Oh yeah, and Bug reports too.
Math Man
2020-05-09 12:06:09
How to stop the spam on perplexus

There has been a lot of spam on perplexus lately, which diminishes the quality of the site. I have an idea about how to stop the spammers from creating new accounts. When a new user tries to create an account, they should have to solve a math problem. It would be almost like a captcha, but with a puzzle. Then, only people that like puzzles will be able to create an account, and there will be no more spammers. What do you guys think about this idea? Should we implement it to deter the spammers?

2020-05-20 06:12:04
Re: How to stop the spam on perplexus

I agree.

As a further refinement, the problem to be solved could be the random problem for the day.

Steven Lord
2020-08-27 23:23:49
Re: How to stop the spam on perplexus

A random sign-up problem should be automated, like: What is the first decimal digit of sin(day or the year today) where day of the year is taken to be in degrees, 1-365?

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