As a result of these obstacles, it was hard to carry out small transactions before the invention of standardized and identical coins, and trade must have been largely confined to big deals between major parties.
Como resultado de esos obstáculos, era difícil llevar a cabo transacciones pequeñas antes del invento de monedas estandarizadas e idénticas, y el comercio debe haber estado limitado en gran medida a negocios grandes entre mercaderes importantes.