To get Goa (Gold of Anarchy) currency, these are obtainable the following ways.

Small boss drops - Oberon (SH) Setef (Pman zone) Kanarg (ToF)

Large boss drops - Cerberus (SH) Dragon (ToF) Anarchy (SH)

Mission rewards for level 140+

ECU can be exchanged for Goa in the item shop.

The Goa currency are used on the website in the Goa store. You must be connected to the website to see the store.

The items you can buy at the website store are found in-game against gold or by performing classic game actions such as killing monsters.

Just like the gold the Goa are dropable.

1 Goa is equivalent to 15,000 gold. Players are free to create their own foreign exchange market.

You have the option of selling a Goa directly to a merchant for 2 000 gold.