by Stefania Nistoreanu
https://twitter.com/btcArtGallery/status/867520166753693696 https://twitter.com/btcArtGallery/status/867518025234350081
Bitcoin Mario by thankyoux
https://www.instagram.com/p/5NqA8JAPiS/
by David Parkins for The Economist
http://www.economist.com/news/briefing/21677228-technology-behind-bitcoin-lets-people-who-do-not-know-or-trust-each-other-build-dependable?fsrc=scn/fb/te/pe/ed/blockchains