Good point. It also forces them to be accountable, and facilitates regulation from third parties. Something that should be welcomed when you look at how opaque banks are trying to be sometimes.
A really interesting part of this process in helping decision makers within companies that working together and sharing a ledger can actually improve the bottom line. I have a friend who does these types of deals for HyperLedger at IBM. It's even more challenging than The Challenger Sale, because it's multiple and requires coordination.