> Blockchain could replace that, and save them all some money. I don't think that can be proved to be true? I can easily imagine that any blockchain would intr

> Blockchain could replace that, and save them all some money. I don't think that can be proved to be true? I can easily imagine that any blockchain would introduce obvious weaknesses in the process for everybody, and such which can be avoided by having a central authority, which keeps the central authority option being cheaper for everybody.