"My fellow passenger and tour guide is David Chaum, the bearded and ponytailed founder of DigiCash, and the inventor of cryptographic protocols that could catap

"My fellow passenger and tour guide is David Chaum, the bearded and ponytailed founder of DigiCash, and the inventor of cryptographic protocols that could catapult our currency system into the 21st century. They may, in the process, shatter the Orwellian predictions of a Big Brother dystopia, replacing them with a world in which the ease of electronic transactions is combined with the elegant anonymity of paying in cash." Reading that and understanding that this was written in 1994 is quite surreal.