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.)
Maria Diaz/ZDNETThe Shark app is the only thing that didn't quite hit the spot for me. I have 12 robot vacuum apps on my phone right now, so I've tested plenty of options. The Shark app isn't the worst I've used, but it's neither intuitive nor easy to navigate.
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