Coin match

In Super Smash Bros. Melee
A coin match is a match where evry time a player is hit, coins fall out. The more powerful the attack, the more coins. Ther are bronze coins, silver coins and gold coins. The amount of coins per player is displayed under their icon on screen. If a player has coins and is hit, however, he does not lose coins. The only way to lose coins is being KO'd, then you will lose have your coins. These can be collected by other players if they fall on the stage.

In Super Smash brothers Brawl
Coin matches apper to be retuning, as seen in event match "All Mine". It seems bills will fall out, too.