I didn't realize Exxon was mining now.
Given the disparity in capitalization, they simply could buy up all available BTC and not even dent their annual bonuses in the process. A couple of years on, BTC would be toast.
Do you have some numbers about the hashpower the nsa has or you're just posting to let others you have heard a few conspiracy theories ?
An IBM Blue Genie/Q can clock 20 peta-FLOPS and consumes 6 MW of power. The new NSA Datacenter in Utah, one of many such around the world, draws 65 MW of power from the grid.
Do the math.