Before we get into the weeds of building anonymous credentials, it’s worth considering the obvious solution. What we want is simple: every user’s credential should be indistinguishable when “shown” to the resource. The obvious question is: why doesn’t the the issuer give a copy of the exact same exact credential to each user? In principle this solves all of the privacy problems, since every user’s “show” will literally be identical. (In fact, this is more or less the digital analog of the physical wristband approach.)
特别是我的堂表兄弟们故意询问母亲心情时，时不时问：“有没有人欺负咱？有的话，您可尽管告诉我。要知道您是有儿女的人，咱一定不能受那窝囊气。”“是呀，妈妈，咱们有儿有女的人，您放心有人给您出头、为您撑腰。”兄弟们与母亲对话的语调是大声的、充满底气的，那些门里门外的人都听得见。
，详情可参考体育直播
Фото: Amr Alfiky / Reuters
Фото: Григорий Сысоев / РИА Новости，推荐阅读体育直播获取更多信息
●机会（Opportunities）：与行业龙头三一重工及行业基准相比，公司仍存在小幅提升空间。其中运营效率拓展空间为15.0%，现金流量拓展空间为7.0%，规模实力拓展空间为4.0%；若能抓住能源装备升级与海外市场扩张机遇，进一步优化运营效率，有望持续巩固行业龙头地位。
Виктория Кондратьева (Редактор отдела «Мир»)。体育直播对此有专业解读