[h1d]

The point is you don't need a central authority. And I'm sure running a central authority costs some too which could also gain power that no one in the industry can resist.

[ajkjk]

Yes, that's the point: pay lots of money and make your system incredibly complicated, in exchange for not having a central authority when you literally already have one you could just use, for a worse and less-maintainable version of the same technical result.

[danielmg]

but in most countries there is a central authority in the shape of a government agency responsible for agriculture.