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.
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而根据业内多家媒体的计算和披露，作为SKP走出北京的第二家店—西安SKP 2025年销售额维持在80亿元左右，也与2023年90亿元的峰值有一定的差距，在西北市场的消费影响力弱于老牌购物中心赛格国际。，更多细节参见heLLoword翻译官方下载
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