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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.
。关于这个话题，体育直播提供了深入分析
Предсказано влияние операции США в Иране на выборыПолитолог Дудаков: Конфликт с Ираном помешает республиканцам США на выборах
现在C端外骨骼产品比较聚焦在单一助力功能，更多是 “目标跟踪”，未来会引入更多传感器，实现环境感知，让场景和步态深度融合。比如在沙地、雪地、碎石路等不同路面，或是机场等不同人群密度的场景，行走状态都会受影响，而环境感知能实现“助力预判”，就像把低速无人驾驶技术用在外骨骼上。