Question: why is zloty called pln?
Answer: The Polish zloty's name comes from “zloto,” the Polish word for gold, and traces its existence back to the middle ages. ... 1924 saw the introduction of the second zloty. Years of hyperinflation after World War 1 caused the conversion rate of 1 zloty to 1,800,000 markas. The PLN had pegged to the U.S. dollar.