Trade Mode: If two players are close to one another, they can right-click the other's avatar and choose "Trade", to open the trade interface.
How to Trade:
When you open the trade interface, drag the items you wish to trade to the Trade Items column and then input the trade amount then click "Lock". After both players have locked their selections click "Trade" to finish the trade. After the trade is completed and items/money have been exchanged a 5% Trade Tax in will be charged in Tael.
Note: Be sure to stand still during the transaction so that it does not get interrupted.