I can't wrap my head around how you confirm the results, when any measurements are still limited by C. Even if you've got two atomic clocks in sync at each end of the experiment, surely you can only verify they are in sync as accurately as the latency between them? (e.g, if two clocks are 100 light-nanoseconds apart, you can only confirm they match to within 100 nanoseconds?).

edit: If I'm understanding this article correctly, https://www.icfo.eu/news/2177/long-distance-quantum-teleport..., they are still limited by 'classical hardware', and the measurement of the entangled particle takes time. So this doesn't yet allow transferring information faster than C?