[JohnJamesRambo]

From the article-

> How long do we need to wait before someone comes up with an actual application of blockchain technologies that isn’t a transparent attempt to retroactively justify a technology that is inefficient in every sense of the word?

[obstacle1]

OK perfect. "Inefficient" in every sense of the word. Let's say I'm wrong and skipped over that line. What else could the various senses of "inefficient" mean in the context of this article?

Probably the fact that, despite having been under development for > 10 years, we haven't seen any ground broken by any blockchain technologies for any reasons other than speculation or triviality. Which is what the other 95% of the article focuses on. The inefficiency of the development process, not necessarily the technology, although yes, the latter is a factor.