This is fascinating. Email from Marc Horowitz, dated 12/1/1992: "Does anybody have any contact information for David Chaum or DigiCash? I think it's worthwhi

This is fascinating. Email from Marc Horowitz, dated 12/1/1992: "Does anybody have any contact information for David Chaum or DigiCash? I think it's worthwhile to find out if any of the problems we've been discussing have been previously solved. It's possible that our experiment could increase visibility of digital cash to the point that a real commercial venture could work, in which case he may even be interested in helping us. Email me personally, I'll summarize. Marc" If not for that missed connection, we might be living in an alternate universe where Bitcoin was invented in 1993-1994 and became the default mechanism for Internet payments, and PayPal never existed.