At no time in the history of humankind have we had an asset that exists beyond the physical world. Never before have we seen a good that has no material existence and not only retains value but increases in value over time. Bitcoin is the first global digital asset. Bitcoin is a revolutionary idea.
Orange Paper added an article discussing the idea of Bitcoin as a global digital asset. It covers a few of the basic reasons why it is such and why it has not happened prior to Bitcoin.