To “show” the credential to some Resource, the user simply needs to hand over the pair (SN, signature). Assuming the Resource knows the public key (PK) of the issuer, it can simply verify that (1) the signature is valid on SN, and (2) nobody has every used that value SN in some previous credential “show”.
圖像加註文字，民主派社運人士郭鳳儀是34名被香港國安警通緝的人士之一。Article InformationAuthor, 郭悠（Koh Ewe），这一点在币安_币安注册_币安下载中也有详细论述
More from Apple Newsroom。业内人士推荐纸飞机官网作为进阶阅读
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