Source: AdobeStock American credit ratings firm S&P Global Inc. said it has started assessing the ability of Tether (USDT) to maintain its peg to the U.S. dollar marking it at a ‘constrained’ rating of 4. Stablecoins are a cryptocurrency whose value is usually pegged to a fiat currency or commodity. Tether has been under scrutiny The post Stablecoin Tether Receives ‘Constrained’ Rating from S&P Global appeared first on Cryptonews .