Benzinga Money is a reader-supported publication. Your Money. Bitcoin How to Buy Bitcoin. Even if it’s wildly successful, there’s no guarantee that businesses jump onboard right away, or that enough businesses share data to make the blockchain-based marketplace worthwhile. Again, this is not possible with bitcoin because of its high transaction costs and network delays. This fact resolves one of the biggest drawbacks of blockchain technology — that is, transaction fees — while incorporating the scaling that’s needed to make such data sharing work. Leading that charge has been bitcoin, the world’s most popular virtual currency.