The ability of stablecoins, cryptocurrencies whose value is linked a fiat currency such as the dollar or euro, to hold their pegs, has been bought into focus this week. On Wednesday, ratings company S&P introduced a system for evaluating exactly that feature and rated tether, the largest stablecoin by market value, just one rank above the lowest in its five-point scale. None of the eight coins evaluated warranted top marks.
FinanceLane.com