From Open Source Tabletop
Even though there is not organized government there is an organized banking system referred to as The Guild of Banks. The Guild of Banks established a economic system referred to as "coin." Coin are economic units backed by various commodities. In lumber rich areas the currency is backed with wood. In mining areas it is backed by precious metals. Each bank prints there own coins on silver. On one side of the coin is a a seal of approval from the specific bank and the other side a seal from the guild. The Guilds main purposes it to make sure the various banks have the commodity backing they say they do and to track down and kill counterfeiters.
