Nerida was amazed at the list of currencies everyone had come up with. She scribbled a few she didn't recognize, some she had never even heard of!

Her hand raised after some thought to the answer for the question. [B]"Professor, in some of the undeveloped countries, people use anything, mostly other resources that they have to trade/buy. Like for trading food, they trade for lets say potatoes with whatever they have grown at their own home/garden,'' the blonde said.