Bricks are not used for exchange purposes. But they're a fantastic money under the mattress example, because you've mortar them and you put them in place. I don't see why not another similar savings mechanism I live here in Miami. In Miami, there's a very booming real estate market. And throughout Latin America, wealthy people will purchase an apartment in the United States as a way to store their money. This is just for very wealthy people who can afford an expensive apartment.