Blockchain I suspect will have a similar future and history to portable document format (PDF), an important facet of a much larger world, a solution that was or

Blockchain I suspect will have a similar future and history to portable document format (PDF), an important facet of a much larger world, a solution that was originally looking for a problem slotted into an evolving world. Regarding online 'chat' clients, Bloomberg terminals have almost literally been the tool used to run the financial world(s) for decades. Different speeds, different needs...