 The Joseon bureaucracy was tarnished entirely and began started to receive taxes in commodity money — rice and cotton textiles — and eventually began to mint copper coins and lifted trade restrictions.One famous international trade port during the Joseon era was Pyongnam, where medieval Korean merchants offered brocades, jewelries, ginseng, silk, and porcelain, which were renowned worldwide.In the 17th century, relatively advanced technology brought improvements to domestic Korean made handicrafts as privately operated handicraft factories replaced government operated factories which spearheaded the production of more advanced and higher quality goods and services for sale.