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reCaptcha alternatives (3)

1 Name: #!/usr/bin/anonymous : 2019-11-29 12:51 ID:4W27XWZe

I was wondering if there were any alternatives to Captcha/reCaptcha, preferably ones that don't require user input.

2 Name: #!/usr/bin/anonymous : 2019-12-03 18:10 ID:ENx1WjM7

My own website is slated to use captchouli at some point in the future.
You can also use a hidden input field that a user would never interact with, but a bot would send an input to. Then you can safely block all requests made from that input field.
That's hardly foolproof, but the only reliable ways that I know of that do not require user input are JS-based and make determinations using analytics. So basically, what you're asking for is botnet.

3 Name: #!/usr/bin/anonymous : 2019-12-05 11:16 ID:j3ppFbie

I see