A paper released today outlines that within 10 years cryptocurrencies could face an enivatable Quantum hack. With the speed of everything moving and quantum proliferation isn’t this more likely 2-3 years away?
So don’t rule out gold just yet as a sudden erosion would see a 100 billion looking for a new home.
The one good thing is someone stealing 109Billion would have nowhere to liquidate the money :)
https://www.technologyreview.com/s/609294/quantum-breakthrough-heralds-new-generation-of-perfectly-secure-messaging/