Interesting and thanks for sharing, I've never seen this comic before in person and would like to know more about it.
I met the guys that made this in London at a Bitcoin Conference in 2014. It was exciting then and they did finally manage to get funding to print it. It appears though, since that printing, they have printed no further copies and as a result the English copies especially are very hard to come by.
As it was originally published in Spanish, this language version is a lot easier to find as stocks begin to run dry. It did also get released as a digital download as some here have found out!
Been there too!
I snagged a copy a while ago and its sitting there gathering the patina of collectability. I did however manage to find another on ebay recently which was a huge surprise! So they do/may appear!
They're now being classified as a rare book in some book stores (spanish version) so I would hazard a guess the English version is even rarer.
IF you find one, keep it secret, keep it safe, the precioussss
Viz