It is useless at this time. There are no legal businesses that are now possible that weren't before the advent of cryptocurrency and criminal businesses still e

It is useless at this time. There are no legal businesses that are now possible that weren't before the advent of cryptocurrency and criminal businesses still existed in the cash-only world (although they are easier to facilitate with cryptocurrency). > we're a few years at least before language and infrastructure can be mature enough to have value for most users beyond earliest of adopters There isn't really a clear explanation of why that would be the case. The bottom line is that smart contracts require a trusted oracle to feed data into the system, at that point, the advantages over a centralized system are essentially zero. There is no reason why anyone except enthusiasts, tinkerers and criminals would get involved.