The Drokna is a Cardassian currency, often used when trading in foreign markets.

In late 2376, the drokna was continuing to decline just as it had been doing for some time. (DS9 novel: Cardassia: The Lotus Flower)

Types of currency
materials	acta crystal • gold • latinum • ludugial gold • silver
units	bilbok • cent • credit • darsek • dejebbit • dirak • dollar • drokna • ducat • galorine credit slip • ilec • kern • klon peag • laertian dinar • lek • lita • notch-rock • prime transfer authority • quatloo • sakto • sous • szeket • t'chak • talon • tri-esta