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NoTroop · 3352 days ago · link · · parent · post: Fermi Paradox the Snowden solution: Alien encryption
That's an interesting theory for communication we aren't meant to hear, but it doesn't explain why they haven't tried to contact us directly, because if they were to (like in the cases we have sent out information) they would probably would not be encrypting it, and would instead be sending out very simple signals which we could actually understand.