• Amju Wolf@pawb.social
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    9 months ago

    Anything that can compute can do it. The important part is that it has an associated non-insignificant cost.

    • just_another_person@lemmy.world
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      9 months ago

      Exactly! ANYTHING THAT CAN COMPUTE CAN DO IT. Few things have a uniquely identifying piece of information with other levels that are barriers to entry…like a phone number. The idea is to STOP bots from signing up to Signal.

      Are you missing the point maybe?

      • pixelscript@lemmy.ml
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        9 months ago

        It stops bot FARMS from being feasible.

        If preventing Jimmy Bumfuck from spinning up a couple sock puppets is your fear, yeah, PoW systems don’t help. But those are rarely the problem.

        For a phishing scam or astroturf operation to be worth it, you need tens of thousands of accounts all running the same script. Those get filtered hard by PoW systems.

        Phone validation works just as well, and stops Jimmy Bumfuck from making sock accounts. But now every user must be stapled to a phone number. Maybe that’s a worthwhile trade to you, but it sure doesn’t seem to be to everyone replying to you.

      • ddh@lemmy.sdf.org
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        9 months ago

        It makes bots more expensive to create, therefore fewer will be created.

        • just_another_person@lemmy.world
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          9 months ago

          It doesn’t stop anyone though. Expensive is relative when you convince a Grandma to give you her $1000 check for a $5 phone number.

        • just_another_person@lemmy.world
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          9 months ago

          Are you unfamiliar with the market? I can buy 100 numbers right now, but they will be hit or miss from landline known numbers.