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1 the price will rise.
2 If it was possible it would have happened already. You just need to invent better Mathematics than we currently use... (kinda impossible)

what will happen when Golds supply is fully exhausted, what if someone finds a way to create NanoGold 2.0(you can already create artificial diamonds I don't see why cant we compose a better Gold).

Oh yes you are right. I also thought about this. If gold is found on other planets and brought to Earth, then the value of gold falls.

Good luck finding Bitcoin in an asteroid.

Ahahahahaha I liked this word.