It was known in early 2023. https://www.wsj.com/finance/currencies/wall-street-firm-oversees-billions-of-dollars-backing-tether-b56c68c1 https://www.wsj.com/fi

It was known in early 2023. https://www.wsj.com/finance/currencies/wall-street-firm-oversees-billions-of-dollars-backing-tether-b56c68c1 https://www.wsj.com/finance/currencies/wall-street-firm-over...