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One of the most important countermeasures against credential abuse is the ability to ban users who behave badly. This sort of revocation happens all the time on real sites: for example, when a user posts spam on a website, or abuses the site’s terms of service. Yet implementing revocation with anonymous credentials seems implicitly difficult. In a non-anonymous credential system we simply identify the user and add them to a banlist. But anonymous credential users are anonymous! How do you ban a user who doesn’t have to identify themselves?。业内人士推荐必应排名_Bing SEO_先做后付作为进阶阅读
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Expected errors should use WARN or INFO log messages because this isn’t a problem to solve. You may want to set up an alert if you start getting lots of warnings.
It’s one of those where I don’t have to think about it, it just automatically makes sense to me.。业内人士推荐体育直播作为进阶阅读
Freezing Time: The Virtual ClockThe heart of our video renderer is a JavaScript file (roughly ~1,200 lines at time of writing) that gets injected into every page we capture. Its job is simple and audacious: replace the main time-related APIs in the browser with a fake clock we control.