[grumpygresh]

I really doubt it. Putin would be more likely to start a war. He could deploy cyber weapons, use terror proxies or go hot.
Only a sucker would trade real gold for the dollar, now that the dollar is losing its reserve status.

[riverdawg]

What do you think will replace the dollar as the reserve currency? The Euro zone is more likely to contract than to expand in the next few years. Nobody wants to hold yuan since the Chinese are hell-bent on inflating their way out of a big slowdown. The yen is a possibility, but the long-run demographics of Japan are bleak and it's population and economy will shrink by one-third in the next 25 years. there are no obvious alternatives to the dollar.