Thanks for your thoughtful and kind reply. > BTW, do you don't take QC seriously because of that? Not as a threat to real-world cryptography, but I do take it

Thanks for your thoughtful and kind reply. > BTW, do you don't take QC seriously because of that? Not as a threat to real-world cryptography, but I do take it seriously as a scientific endeavor. > Do you expect QM (as a theory) to fail as a result Yes, similar to how Newtonian Mechanics fails at high precision or in extreme circumstances.