While this is a broad-brush approach with echoes of Operation Choke Point, it’s hard to argue their fears are unjustified after the events of last year, even if it is ultimately unworkable to keep open, public and/or decentralized networks segregated from other areas of financial services for long. As Somerset Maugham put it in “The Razor’s Edge,” one “might as well try to hold back the waters of Mississippi with [their] bare hands.”