The lure of digital cash, but do you know what you are buying? - there has been considerable interest in CBDCs and stablecoins but in reality do you really know, let alone understand, what the backing of USDT, the world’s biggest stablecoin, is? The company that issues USDT is Tether and it has just announced in the last quarter that it made $1.44 billion; but how, and why, does it only have 67% invested in cash/cash type assets?