CME Group, 2017: "The value of a bitcoin has skyrocketed by a whopping 6,000,000% over seven years. But is the digital currency still undervalued in comparison to gold? An inherent tension exists between the two major purposes of money. Currencies that are perceived as great stores of value, such as gold and bitcoin, make for poor mediums of exchange. By contrast, currencies that are effective mediums of exchange, such as fiat currencies used the world over, can make for dubious stores of value.

CME Group, 2017: "The value of a bitcoin has skyrocketed by a whopping 6,000,000% over seven years. But is the digital currency still undervalued in comparison to gold? An inherent tension exists between the two major purposes of money. Currencies that are perceived as great stores of value, such as gold and bitcoin, make for poor mediums of exchange. By contrast, currencies that are effective mediums of exchange, such as fiat currencies used the world over, can make for dubious stores of value.