The problem here is that digital items are fundamentally different from physical ones. Real-world items like physical credentials (even cheap wristbands) are at least somewhat difficult to copy. A digital credential, on the other hand, can be duplicated effortlessly. Imagine a hacker breaks into your computer and steals a single credential: they can now make an unlimited number of copies and use them to power a basically infinite army of bot accounts, or sell them to underage minors, all of whom will appear to have valid credentials.
Indeed, even as it seems every company these days is rebranding to include “AI” in its name, some startup ideas are just no longer in favor with investors. TechCrunch spoke with VCs to learn what investors aren’t looking for in AI software-as-a-service startups anymore.
，这一点在体育直播中也有详细论述
Рольф Мютцених. Фото: Liesa Johannssen / Reuters
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而且能本地运行、隐私性好、数据不上云，并且其本身是开源的，自己能修改。