The account is not transferable at all the federated part is you accessing other platforms data from your account. Like email your account is very much tied to the server you setup with. What we need is something like openid like service to just store profile information like subs and creds and other servers to handle the data like pots and comments. Something like that would make it even more complicated like a uri of a comment would be bob@Idserver@PostedViaDataserver. You you would just login as bob@Idserver from any data server.