[sandworm101]

Blockchains can be run without incentives. They can be run internally by a large organization. Take the US military. I could see each service running a server to verify changes to a ledger of national orders. An effort to change the ledger would be possible but very difficult, demanding cross-branch conspiracy. Such a scheme could exist without incentives.

[PretzelPirate]

Instead of saying “without incentives”, maybe saying “with external incentives” is better?

Blockchains can function when each participant running a node is incentivized to be honest. The incentive could be that they are a known party in a business consortium and if caught colluding with other members, it would be trvivial to prove during a lawsuit.

[pvg]

Why would a highly hierarchical, centralized organization with extensive infrastructure for distributing and authenticating orders suddenly blockchain it all up to solve a problem (cross-branch conspiracy) they don't at all have?

[sandworm101]

To protect against outsiders inserting false orders to one branch. Or to provide a record of past orders.

[pvg]

Right, but they seem to do that pretty well as it is. The Sixth Fleet rarely ends up in Antarctica because of an air force prank.

[biggels]

I think you just described the federal reserve.