[hiq]

I guess it's not using just one oracle, otherwise you still have a single point of failure, right? So N oracles are used? What happens if 1 out of N is malicious? k out of N?

How do you check that the N oracles are not actually run by the same person behind the scenes? How do you make sure that it's not economically profitable for an entity to run these N oracles and send bogus data, even if only once?