Doesn’t have to be public (though that’s desirable) but it does have to be accessible by any user to really have value. So you could have a ledger that was onl

Doesn’t have to be public (though that’s desirable) but it does have to be accessible by any user to really have value. So you could have a ledger that was only accessible to… say members/subscribers/users of a service. As long as everyone involved can see it, it serves the purpose. But public is always nice