Can crypto currencies threaten the all-mighty dollar? A privately held U.S. banking chain aims to use a marijuana stable coin to do exactly that. It faces reprisals from U.S. authorities until a lithium cartel backed by China raises a challenge that forces foes into uneasy friendships. The dollar’s role as the primary currency for international reserves and invoicing gives the nation extraordinary advantage in the global economy, including its ability to impose economic sanctions for political reasons. Crypto currencies present a potential challenge that could play out in interesting ways. The Mary Jane Gambit was intended as a humorous look at what might become a quite serious issue.