Simple one-time use credentials from a blind signature scheme. Note that this provides privacy because the Issuer never learns SN, and can’t link a Credential Show to the one it issued to a specific user.
commit best edit, move on
，更多细节参见电影
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伊朗當局未有回應。不過，伊朗多地傳出爆炸聲。伊朗紅新月會表示自上週六以來，全國已有780人遇難。