Press Release on Blockchain Patent This is really interesting stuff. If I owned a piece of the Mona Lisa I could show my ownership -- an electronic version of a signed print I guess. Would be interesting if they made is open source while being in control of the single blockchain. http://tigrcub.entrex.us/entrex/EntrexNewsFAQs.NSF/0/7554CC2FB89A41AB852586CB006236B6/%24File/05-04-2021%20-%20Entrex%20Art%20Market%20Patent.pdf?Open