>>401026At the time pegging the currency to gold was seen as a way to stabilise prices and prevent massive inflation, either that or integration into the world financial markets and access to state foreign currency exchanges that would ensure the good reputation and reliability of the currency abroad. At the time the nascent soviet state was severely lacking in the latter due to the whole 'everyone else wants us dead' factor so the gold standard was the natural alternative.
Fiscal policy and the thinking about inflation changed a lot since the 20s and no one holds to the gold standard anymore, so none of the conditions apply and the question isn't relevant to modern conditions.