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Yes, but unlike crypto, a CAPTCHA doesn't need forward protection. If I deploy one, and it turns out to be weak, I can just upgrade and then not worry. I'm no

by rdl 12y ago

Yes, but unlike crypto, a CAPTCHA doesn't need forward protection. If I deploy one, and it turns out to be weak, I can just upgrade and then not worry. I'm not worried about people time-traveling to the past.