Sounds like the important property here is that users can only query their own block status, even if they're holding the list.
This is potentially something called "anonymous block/blacklisting" and it basically works by having everyone prove they *aren't* blocked.
Sounds like the important property here is that users can only query their own block status, even if they're holding the list.
This is potentially something called "anonymous block/blacklisting" and it basically works by having everyone prove they *aren't* blocked.