The History allready remmember the situation in witch Goverment confiscated gold of its cityzens! Just look up a little bit in it, or do the Google reserch.
What possibility exist now to see the same scenario? A scenario of modern times.
Try to read and do the reaserch - think about it! Maybe, just maybe we will need to know haw to react in that circumstances.
All the best to you and I wish to you to be wise,
Stanko