A new generation of cryptocurrency, pegged to the dollar, is growing rapidly, promising faster payments and potentially lower interest rates. (Ben Voldman/The New York Times) By TALMON JOSEPH SMITH Cryptocurrencies were designed to be a hedge against the U.S. dollar, which crypto creators viewed as an unreliable currency. Yet one of the fastest-growing crypto coins has risen in popularity precisely because it’s pegged to the greenback. Stablecoins, as they are known, are also backed by U.S….
