Blockchain Global 23-04-2019 JPMorgan to widen use of blockchain system JPMorgan Chase is to widen the use of the industry’s leading blockchain technology to help… JPMorgan Chase is to widen the use of the industry’s leading blockchain technology to help…… Sign in or Upgrade to Continue Reading This news article is over 10 days old. Subscribe today to access all articles with an annual subscription. Become a member Learn more Already a subscriber? Log in here #JPMorgan