• Knock_Knock_Lemmy_In@lemmy.world
      link
      fedilink
      English
      arrow-up
      3
      ·
      12 days ago

      Zk certificates can be issued by multiple entities all attesting the validity the same piece of information. Governments, companies and your mate Dave could all add weight to a zk proof.

      The zk part just hides the input data. A zk proof guarantees validity, not truth.