Gold isn't 'sound money', it's a myth, a goldbug expression.
Stop reading goldbug websites that are trying to empty your pockets. There will be no hyperinflation.
Growth didn't occur during the gold standard, it crippled it and that's why we don't have it anymore. Haven't you heard of the Great Depression? One of the main causes was the gold standard, what you bizarrely call 'sound money'. Gold isn't money anyway.