[openstreetmap-website] suppress creating accounts by bots/scripts (#1083)
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Mon Nov 9 19:15:49 UTC 2015
@katpatuka Yes, a captcha would be nice, but as far as I know there aren't any non-proprietary, effective captchas available.
I investigated this a few months ago (with respect to the wiki, not this site) and I found https://www.mediawiki.org/wiki/Extension:ConfirmEdit provides a good, up-to-date overview of the options. I don't think we'd go for the only one on that list marked as "high" effectiveness (English-only, potential for adverts), and ReCaptcha always has the problem that by using it, we're helping Google create a proprietary map dataset!
If anyone knows of an effective, non-proprietary captcha then that would be very useful.
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