Minas is the currency. Virtually all trade - regardless of nation, race, or location - is done in minas. Minas can be obtained by killing mobs, selling items at Player Shops or getting a job.NO matter how its done, mina makes the lotc world go round.
To check your mina balance enter the command.
To pay another player, use
/money pay [user] [amount]
which will automatically send the desired amount of minas to the desired player as long as they are close to your character in-game. Typically paying minas is accompanied by role-playing, such as counting coins, handing over a money bag and accepting the offered minas. More commands can be found on the game commands page.