[{"author": "Ryo Yanagida", "text": "<p>Hello! <span aria-label=\"wave\" class=\"emoji emoji-1f44b\" role=\"img\" title=\"wave\">:wave:</span></p>", "time": "2022-11-08T13:39:41Z"}, {"author": "Dirk Kutscher", "text": "<p>Hello Ryo!</p>", "time": "2022-11-08T13:40:49Z"}, {"author": "David Oran", "text": "<p>Why do you have to delete the data (which is essentially impossible in a large distributed system). This has nothing to do with whether you use manifests to point to the data or not!<br>\nThe only data that needs to be physically made unavailable is the encryption keys for the data, and for that you need an auditable multi-party agreement protocol, since you don't want to have to trust a single party to find and eliminate all key instances.</p>", "time": "2022-11-08T13:42:57Z"}]