可引用的發言段落Citable transcript turn#506640講者:Speaker: Audrey TangThe Metro thing, I think the privacy-preserving move would be just use coins in exchange for some physical non-fungible tokens for the Metro travel. 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 record2022-05-31 Conversation on IRMA Idemix