For one, the use of the word blockchain itself is posing a problem. If I remember correctly there was a case made to use the word - distributed ledger instead t

For one, the use of the word blockchain itself is posing a problem. If I remember correctly there was a case made to use the word - distributed ledger instead to avoid confusion. And I have never understood one part of it. How are contentious settlements are resolved? Today for any disputes people can approach BIS or DTC and once issue is resolved everything can be rolled back. Who acts as the "watcher" in this case? Surely, going by what majority says is not a solution.