# GPU acceleration
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?
。关于这个话题，WPS下载最新地址提供了深入分析
:first-child]:h-full [&:first-child]:w-full [&:first-child]:mb-0 [&:first-child]:rounded-[inherit] h-full w-full。WPS下载最新地址对此有专业解读
问：刚才您提到基座模型是做好L4的基础。从行业来看，目前很多Robotaxi玩家对基座模型提及不多，或选择其他技术路线。未来基座模型是否会成为Robotaxi企业做好业务的标准吗？