There’s application in responding to requests for information quickly, in a mesh network, perhaps in presence of malactors. For example the medical records of injured US soldiers are stored in and delivered using a block chain solution.
There’s application in a hypothetical currency free from the corruption of governance. For example, an orange President couldn’t print gobs of money during a pandemic, devaluing your currency, then hand that money to corporations.
This is what happens to IT professionals when the centralization of textbook design is no longer appropriate the situations. All they’ve got is a hammer. So, everything’s a nail, even if it means lying.