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by burningChrome 583 days ago
None.

There are no "best" version of captcha. I've worked on several large scale projects where captcha was floated and then quickly abandoned in favor of other methods like Honeypot or using other methods to weed out bots and other 3rd party agents.

If you have to use captcha the least worst are probably reCaptcha V2 and hCaptcha for accessibility.

2 comments

What were the chosen choices? Curious to know
By far the most effective way to prevent bots is to charge for an account or service. Facebook, for example, banned billions of bots. At just 1 dollar an account, such a situation would be completely untenable. Not to mention most views are worth fractions of a cent - paying for bots wouldn't be a return on investment, so nobody would do it.

Bots are an inherent problem with free, advertisement-fueled web. If you want to get rid of them, it's trivial, but requires an re-understanding of how we use the web.

I'm OK with reCAPTCHA, but uh... Just not a fan of Google!! I'm an expert reCAPTCHA solver.