question marks have been raised over the credibility of digital art verification services after graffiti artist Terence Eden identified himself as the inventor of Leonardo & Vinci 's Mona Lisa on Verisart . The process required only an email address and a copy of the item , which he grabbed from Wikipedia . The Louvre , where the item is held , is yet to comment .
Question marks have been raised over the credibility of digital art verification services after technology writer Terence Eden registered himself as the owner of Leonardo da Vinci's Mona Lisa on Verisart. The process required only an email address and a photograph of the item, which he grabbed from Wikipedia. The Louvre, where the work is held, is yet to comment.