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website captcha

website captcha

验证码

hCaptcha

hCaptcha通过询问对人类来说很容易且对机器来说很困难的简单问题,可以帮助您喜欢的Web服务阻止机器人,垃圾邮件和滥用行为。

https://www.hcaptcha.com/what-is-hcaptcha-about

reCaptcha

reCAPTCHA v3

https://developers.google.com/recaptcha/?hl=zh-CN

reCAPTCHA

Completely Automated Public Turing Test To Tell Computers and Humans Apart,区分人机的全自动图灵测试系统

https://www.ifanr.com/1145907

refs



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posted @ 2020-07-06 16:53  xgqfrms  阅读(235)  评论(0编辑  收藏  举报