Who is the biggest purchaser of the world’s biggest safe haven asset – gold?

China? Japan? One of the Gulf countries, perhaps?

In fact, the single biggest buyer of the precious metal last year was a company you’ve probably never heard of – a crypto firm called Tether

The El Salvador-based company runs USDT, the world’s biggest stablecoin, which is a form of crypto backed up by hard currency.

It serves as a conduit between riskier, volatile cryptocurrencies and the conventional finance system, essentially used as an offshore dollar.

Yet Tether bought more gold last year than anyone, according to European Central Bank data.

It keeps it stored in a James Bond-style Swiss former nuclear bunker, according to Tether’s boss.

Tether says it also…