This pretty much a sum it all about Bitcoin in different stages of industries and life.
The biggest threat to everything is precisely the security ones, breaches tend to hurt a business substantially. Both in credibility and also the funds of customers, if the board gets too greedy it will only make their businesses vulnerable to those kind of things.
About everything else, this is precisely why Bitcoin is so awesome. It can be implemented inside different types of platforms pretty easily in comparison to how a technology like this should be.
It's really interesting and fascinating that the tech industry is about solving problems/problem solving. That mindset can help develop solutions to do the same thing worldwide.