source:[1] S&P gives Tether poor marks in new stablecoin scale - Reuters (https://www.reuters.com/technology/sp-gives-t ...)[2] S&P Faults Biggest Stablecoin, Tether's USDT, as It Debuts New ... (https://www.coindesk.com/policy/2023/12/13/te ...)[3] Stablecoin Stability Assessment: TrueUSD (TUSD) - S&P Global (https://www.spglobal.com/ratings/en/regulator ...)