Coins can be obtained by doing quest events, looting fallen enemies, seeling wares to a vendor or other players, as well as for solved challenges. Depending on the difficulty, you will receive bronze, silver or Gold which you can use to buy wares from merchants or players, get your armor repaired, teleport elsewhere, purchase gems or reset your traits.
The easiest way to buy GW2 Gold is getting your Guild Wars 2 Gold from MMOGA! From us you will receive your GW2 Gold fast, safe and at a favorable price, and soon you will be able to afford the best equipment and much more in Guild Wars 2. Buy GW2 Gold now at MMOGA!