• some_guy@lemmy.sdf.org
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        3 months ago

        Wow, I had no idea. I thought the joke was needing full ink in an unrelated color. I didn’t know about tracking. I’m sadly unsurprised.

        • Jyek@sh.itjust.works
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          3 months ago

          It’s for the purpose of serialization for counterfeit purposes. Also, high end copiers have a device installed called the BDU (Bill Detection Unit) that all scans pass through before being post processed. If the BDU detects a bill being scanned it can error and shut down the whole device until the manufacturer can send someone out to fix it. I used to be one of those people resetting BDUs at schools where a teacher thought it was a good idea to copy images of money for teaching students.

          • DaGeek247@fedia.io
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            3 months ago

            That, and tracking down anyone else the government doesn’t like, apparently.

            • melpomenesclevage@lemm.ee
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              3 months ago

              Or their corporate masters! Its not always just the government, you paranoid conspiracy nut! Take your meticulously cited sources and century of baroque acid fueled clandestine horror and go home!

      • then_three_more@lemmy.world
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        3 months ago

        feature originally intended as a deterrent to counterfeiting currency with laser printers.

        Honestly, the USA is something special. So they do this, instead of putting modern anticounterfit (like polimer notes with transparencies) measures onto their notes.

      • hedgehog@ttrpg.network
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        3 months ago

        consumers will not notice any difference in the performance or effectiveness of products equipped with this technology.

        I believe they missed this part of the memo

        • redcalcium@lemmy.institute
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          3 months ago

          It’s obvious, more ink used = more profit. The government get the tracking they want, the printer company is slightly more profitable due to extra ink usage, and the customers got fucked. Win-win!

      • 🇰 🔵 🇱 🇦 🇳 🇦 🇰 ℹ️@yiffit.net
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        3 months ago

        Hold up… Was “Reality Winner” the name of an individual or a business? Like, I was stunned by the fact the yellow dots thing is a thing, but then it starts talking about “Reality Winner” and I can’t move on until I know what’s up with that name. lol

      • ilinamorato@lemmy.world
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        3 months ago

        I can’t find the article I read, but if I recall correctly, they use patterns of minute variations in the power of the laser to cause a machine-detectable pattern to appear in the final printed output.

      • Jyek@sh.itjust.works
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        3 months ago

        They also use microscopic yellow dot patterns. Black and white only prints use a microscopic grey print pattern at the print boundary. The technique is a form of steganography. They aren’t tracking you btw. It gets used primarily to investigate fraud. Printer companies do it primarily because if they don’t, their brand will become associated with print related crimes. There are lists of printers that do not do steganographic serialization but those machines are almost entirely too poor quality to produce any convincing counterfeits anyways.