Oftentimes an MMO has a virtual economy, where players trade in-game goods. There are various degrees of markets depending on the particular game. Eve Online has a robust player-driven economy, where some players manipulate the market for their own financial gain. Whereas other games rely on simpler auction houses.
What is 'Imprest'. An imprest is a cash account that a business uses to pay for small, routine expenses. A fixed balance is maintained in the account, and it is replenished routinely to maintain that balance. Alternatively, an imprest can refer to a monetary advance given to a person for a specific purpose. Next Up.
A security principal account can be defined as a user account, group account, or computer account that is assigned a SID, and is also assigned permissions to access certain network resources or Active Directory objects, and to perform certain actions on these objects.