The drastic raise in Crypto currency value raises a question of weather crypto currencies are actually practical in terms of usage as a currency or whether they are more of an investment game. In order for a currency to be practical it must be stable in terms of it's value. Although it can pleasantly surprise owners of a currency to buy more for less, manufacturers continually face the threat of sudden drops in value which would mean that they might not be able to buy sufficient quantities of new materials for continued production.