In the Nexus, players may buy consumables using coins (purchased with real-life money) or fame (an in-game currency gained when you die) and enter realms (i.e. game map instances present on the server).
In the Nexus, players may buy consumables using gold purchased with real-life money, though player starts with 40 gold. The player enters realms (i.e. game map instances present on the server).