The economist Jon Matonis, the former executive director of the Bitcoin Foundation, believes banking cartels obsessing about private blockchains must answer a fundamental question: "Are these private blockchains going to be able to be used against smaller financial institutions or weaker nations to institute a blockade, just as SWIFT and CHAPS are able to do today?"
https://uk.news.yahoo.com/jon-matonis-b ... ml#NUDPZiG