可引用的發言段落Citable transcript turn#506441講者:Speaker: Audrey TangRight. It's not necessary for it to expire. Because I don't see a cryptographic reason for it to expire if it's not used. 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