Currencies

All worlds with intelligent inhabitants have some form of Currency, usually in coinage.

Banks

 * Solar System Bank
 * Interplanetary Bank

Coins

 * Mercury - Giant coins
 * Unnamed moon of Jupiter - Metallic blue tree leaves
 * Neptune - radium money
 * Mars - semivisible; lava (Fyre)
 * Venus - frozen mercury-amalgam coins
 * Earth - gold coins
 * Unnamed asteroid - living coins

Others

 * Saturn - asteroids, liquid metal, gold coins
 * Venus - cube-money
 * Pluto - atom crystals; acid money
 * ? - radioactive coins
 * Water World - distilled seaweed fluid