That is true for one meaning of blockchain - what I observe is that blockchain became a great case of a https://en.wikipedia.org/wiki/Floating_signifier https:

That is true for one meaning of blockchain - what I observe is that blockchain became a great case of a https://en.wikipedia.org/wiki/Floating_signifier https://en.wikipedia.org/wiki/Floating_signifier In particular most of the 'serious' business people don't really mean a distributed system that anyone can join at any time - but rather a closed system, a permissioned blockchain, basically a database with authoritative local copies.