可引用的發言段落Citable transcript turn#217740講者:Speaker: Audrey TangIt certainly is a mutually distributed ledger. Such ledger technologies are now routinely used not as cryptocurrencies but rather as just what they are, ledgers, to provide people with trust. 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 record2018-09-20 Conversation at Columbia University