Agreement between people has driven commerce as far back as man can recall. After verbal agreements clay tablets, papyrus, and Lexus Nexus it’s time to upgrade.
The typical adoption curve for a revolutionary technology of this sort is measured in years. The tipping point for blockchain has been accelerated through the strong uptake by banks, seems they understand the inevitability of a Global Reserve Cryptocurrency and what that means for the bottom line.
With Smart Contracts transaction mechanics move out of the traditional payment systems and into the agreement. Contracts become the new Visa or Amex.