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adamtaylor_13today at 3:06 PM2 repliesview on HN

So if you need to prevent bot abuse, but also don't want an ugly captcha every time someone goes to sign up, is there a better option?


Replies

ribtokstoday at 3:27 PM

Use proof-of-work captchas, many are private by default. Look into Private Captcha or Cap captcha.

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ImPostingOnHNtoday at 3:27 PM

The tool "Anubis" uses proof of work instead

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