Is that the same one that sometimes asks you to click on motor cycles and zebra stripes in a loop and you never come out? (this happens often especially if you're on a somewhat uncommon IP address, like an IPv6 /48 with just a few customers on it)
That’s V2. V3 is always invisible and only returns a score. It’s not unusual to redirect low scorers to a v2 challenge, but afaict you have to set that up by hand.
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If you are OK with running a Google service, how about Recaptcha V3? No captcha to fill in, just validate the score it generates on the backend.
Is that the same one that sometimes asks you to click on motor cycles and zebra stripes in a loop and you never come out? (this happens often especially if you're on a somewhat uncommon IP address, like an IPv6 /48 with just a few customers on it)
That’s V2. V3 is always invisible and only returns a score. It’s not unusual to redirect low scorers to a v2 challenge, but afaict you have to set that up by hand.