Future Time Travel, Quantum Entanglement And Paradoxes

There's a general contention that time traveling to the past is not possible because it can create paradoxes. Thus, time traveling to the future seems more plausible. But consider this experiment:

Given
A and B devices containing quantum entangled atoms.

Where
A is stationary for the present (past) observers.
B is sent out to a (near-) light speed round trip, to return in the future (c/o relativistic theories) for the future observers.

Then
1) B observers observe the B atoms and record their results.
2) A observers observe the B entangled atoms and record their results.
3) A observers observe the A atoms and record their results.
4) B observers observe the A entangles atoms and record their results.

The A observers seal their reports for the B observers in the future.
The B observers compare their results with the A observers' reports.
The results should show a 100% match.

Do you see the paradoxes here?

Paradox 1:
B observers are expected to have A's reports at hand to compare results with. But having A's reports at hand presupposes that B observers would actually observe the B device. Further, the mere presence of A's reports suggests that the experiment is already half successful: that future time travel and quantum entanglement worked.

Paradox 2:
If the A device survives the future when the B device arrives, the A device would appear unobserved. When the B observers observe the B device and everything works as planned, the A device would update (supposedly in the past) and all historical records should show that the A device was observed in the past. Also, the A observer's reports should also instantly appear or become available.

If time traveling to the future can also create paradoxes, does it mean that time traveling to the future should also be impossible? If so, then time traveling is impossible. Period.

Unless, paradoxes would be accepted and allowed as a side effect of time traveling. That the multi-verse can merge with circumstantial realities. That the universe can naturally avoid paradoxes... somehow.

What other paradoxes can you formulate from this experiment?

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