Latest idea circulating in certain Gold bug scenes is that the Gold price is surpressed so China can obtain enough of it to warrant an equal position at the table when, not if; when the Global monetary system is re-established upon another major financial crisis hitting. I certainly hope so
That's exactly what Jim Rickards says, that a global reset is coming and that China wants a seat at the big meeting at the IMF where the major economic powers sit down and come to a consensus re the (IMF's) SDR as the new settlement currency (between nations).
Local currencies would still be maintained.
Rickards writes that each power will have about the same amount of gold "per capita", which is roughly what we have RIGHT NOW, except for two major economic powers: Japan and China. That is why Rickards believes that China is quietly accumulating gold, so that it would have the roughly 4000 (perhaps more, say 6000) metric tonnes to represent its financial strength (based on national gold reserves).
His latest book, The Road to Ruin, describes this pretty well.
While extremely connected, Rickards does not offer up PROOF, but the stakes are (would be) very high, so they might very well keep all of this secret. Or try to...