There are many ways to obtain gold in Medievia. A player can kill mobs
and receive gold from inside the corpse. Players can also trade, auction
items, wager on herobattles, sell items at certain shops or earn it while
on certain quests.
To give coins to another player: give <amount> coins <player>
The command GOLD shows you your gold carried on your person as well
as what you have in the bank.
See Also: TRADING AUCTION HEROBATTLE BANK