Misc.Sep 25, 2019
New123j

How Hacker News prevent spamming?

The website w can post the news url with super simple register process, so hw they detect the spamming? same thing for layoff.com, via IP address? or device info?

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Salesforce Referrals! Sep 25, 2019

It's proprietary

New
lbvkdss Sep 25, 2019

Why do you want to know? TC?

Target tmDe33 Sep 25, 2019

There's many ways to prevent sign-ups from vpns, tor, and throwaway email providers.