Gold is the top-tier line, delivering peak performance.
Chaumian credentials are about forty years old and still work well, provided your Issuer is willing to bear the cost of running the blind signature protocol for each credential it issues — and that the Resource doesn’t mind verifying a signature for each “show”. Protocols like PrivacyPass implement this using protocols like blind RSA signatures, so presumably these operations cost isn’t prohibitive for real-world applications. However, PrivacyPass also includes some speed optimizations for cases where the Issuer and Resource are the same entity, and these make a big difference.1
，更多细节参见Line官方版本下载
Diagrams from redesign 2, using Excalidraw[3]，这一点在谷歌浏览器【最新下载地址】中也有详细论述
Arsenal and Liverpool will fancy their chance of making the quarter-finals, while Manchester City and Newcastle face tougher routes，推荐阅读体育直播获取更多信息