The world's largest trading centre for *actual* gold bars is in London. The market is worth $6.8 trillion (that's t-r-i-l-l-i-o-n) a year, and it's all controlled by five banks. They're now changing their rules so more people can join.
It's a secretive club (has anyone else got a Gringott's-like mental image) and since the financial crisis, it's been under pressure to let more banks in and to be more transparent. It's already announced how much gold is involved (that's that 7,841 figure), and is collecting data on how much is actually traded.
doesn't have the same importance to our economies any more – it used to be the basis for all currencies. But there's still a huge amount of money swilling around in the precious metals trade and the new rules are trying to make sure that market is a bit fairer.
…and who’s getting the bill for all this? Money is such a core part of the economy, and a lot of economic power lies in the hands of those who print it, earn it, and spend it. But money’s not just as a tool for exchange; it’s taken on a value in itself, and there’s a whole economy around money alone…