The digital currency Bitcoin is one of the hottest things to hit the tech world since the invention of the mobile app. This year, major investors have poured cash into Bitcoin startups, and the mainstream media finally began paying attention.

But its future is uncertain. Governments around the world are beginning to grapple with the implications of a decentralized currency. New regulations are being handed down that will change how some Bitcoin companies do business. And yet the total value of the Bitcoin market is still trending upward. There will never be more than 21 million bitcoins in existence, which means that demand alone will determine the currency's value.

In our video report, Bitcoin startup founders, angel investors and other insiders explain what the digital currency can do.

Related: U.S. Regulators Aim to Close 'Wild West' Frontier of Bitcoin