Star Trek and the final frontier of currency

Yes, I did get paid to write about Star Trek, at least in terms of envisioning money in the future in works of science fiction. I also mention Star Wars and The Handmaid's Tale.

 Part of the geek appeal for Bitcoin users is that it is a real-life example of a concept often featured in science fiction or sci-fi-oriented computer games: an advanced, universally accepted form of currency.
Universally accepted forms of payments become essential in a society in which space travel enables humans – and other sentient beings – to hop from planet to planet inhabited by civilizations of all kinds. Read more in Is Bitcoin science fiction come to life?