Metronome: A portable cross chain cryptocurrency

Metronome, a cryptocurrency launched by pioneer Bitcoin developer Jeff Garzik in 2018, is designed to be stored across many blockchains. I interviewed Jenna Pilgrim from Bloq.com, who gave a talk at Bitcoin Wednesday on their Metronome project. How can a currency exist on multiple blockchains? What are the advantages of a cross chain cryptocurrency? Jenna also worked with Don Tapscott in Canada, organizing the best-selling book, Blockchain Revolution. How is it to work with Tapscott?