By Penny Crosman, American Banker 16 February 2018 URL: https://www.americanbanker.com/news/banks-underground-data-vault-is-evolving-will-it-use-blockchain-next Two years ago, dozens of U.S. banks, including Citigroup, JPMorgan Chase and Bank of America, began working on a secret, ultrasecure data bunker called Sheltered Harbor that would hold a copy of all bank transaction data in the event of a devastating cyberattack. But the banks … Continue reading Banks’ underground data vault is evolving — will it use blockchain next? →