What about inmutable systems? My app (using scuttlebutt) creates an 'account' but it's located as crypto keys only within the app and apple keychain. So far the apple reviewers refused to believe that it works like. It's open source, they've got the code... but still.... Same is true for anything crypto. The account as it were exists on many devices, but it's not something you as the app creator can manage. I think a…
This is why using the blockchain got user data is such a stupid idea. The immutability makes it impossible to redact or remove information, even if that information is encrypted. The same is true foor P2P services where there is no central accounting system. Deleting the account shouldn't be a problem if all the "account" info is stored on the device itself, so if your reviewers aren't completely incompetent I don't…
A new version of Scuttlebutt allows tombstoning too.
I think mutable should be the default. Make it all ephemeral with optional permanence.