When it comes to cryptocurrency, governments will have to change their traditional approach to regulation. Watch "Cryptocurrency: A challenge for regulators | In 60 Seconds" on YouTube.

The price of bitcoin has skyrocketed and plummeted over the past several months. Many are left wondering: Is cryptocurrency the investment opportunity of a lifetime, or a bubble that is doomed to burst? Watch "Should you invest in bitcoin? | In 60 seconds" on AEI.

Plenty has been said about cryptocurrency in the past few months. But, um…what is cryptocurrency exactly?