Chaum’s idea was to break the linkage between the issuance and usage of a credential. This means that when Alice shows her credential to the website, all the site learns is that Alice has been given a valid credential. The site should not learn which issuance flow produced her the credential, which means it should not learn her exact ID; and this should hold even if the website colludes with (or literally is) the issuer of the credentials. The result is that, to the website, at least, Alice’s browsing can be unlinked from her identity. Imn other words, she can “hide” within the anonymity set of all users who obtained credentials.
На помощь российским туристам на Ближнем Востоке ушли миллиарды рублей20:47
，这一点在体育直播中也有详细论述
边端智能：是感知世界的“智能触角”，例如机器人、EV、低空飞行器，拓宽了人在物理世界的感知能力和行动半径。。体育直播对此有专业解读
通过远程视频方式询问的，应当向被询问人宣读询问笔录，被询问人确认笔录无误后，询问的人民警察应当在笔录上注明。询问和宣读过程应当全程同步录音录像。，更多细节参见体育直播