On today's tour we join our tour guides, Xan and Joe, as they take us into one of the UCM’s auction halls where they will be selling NFTs. In taking the opportunity to talk about the recent crypto buzz, they discuss the impact of reproducible art in the past with printmaking and its benefits and later consequences. From Goya's print subscriptions to contemporary illustrators on Twitter, they question how and if digital artists can safeguard their artworks when displaying them on the Internet?