可引用的發言段落Citable transcript turn#167569講者:Speaker: David ChaumIt’s not just someone who sends it in, but then there’s signatures that are collected, and then there’s more than one person? 逐字稿導覽Transcript navigation查看前後文View context分享此段Share turn來源逐字稿Source record2018-04-07 Conversation with David Chaum