Gold is the primary currency and resource in Rise of Champions.
Gold is mainly used for trading.
Items can be sold in the market to free up space and acquire gold. The item's value depends on the rarity and stat level, with the rarest items being worth several hundreds of gold. Items with magical power may be salvaged to get their essence, however it grants no gold for the player.
One way to spend gold is to launch expeditions. Expeditions are an expensive but sure way to obtain a random selection of items. Normal expeditions are the cheapest, but they reward the player with more common and less valuable items.