§5.854 — Chaum has a reputation for prickliness which intrudes into the story-line, at least insofar as it led him to turn down an offer of US$100 million from Microsoft to incorporate DigiCash into Windows 95. It is difficult not to see history fork here. An alternative history exists in which cryptocurrency was mainstreamed by the late 20th Century. With cryptocurrency having missed this early turn-off into actuality, the types now arriving are almost certainly harder, and more socially abrasive, than they might have been. It seems as if the Ultras booked a pre-emptive win.