Supporting a lending economy in an MMO is an interesting problem. Collateralized loans would be pretty easy to implement. Maybe implementing a system for gettin

Supporting a lending economy in an MMO is an interesting problem. Collateralized loans would be pretty easy to implement. Maybe implementing a system for getting a lien against a long-term absentee debtor would be interesting as well. Making a more risky loan business, where lenders are responsible for reclaiming their loans by force if necessary could be a cool mechanic as well.