Awaiting a slack of digital ledgers?

NEW ECOSYSTEMS We see a future of private and public interconnected ledgers.Name it if you wish the #SLACK of LEDGERS. Any project, school registration, due diligence, supply chain,is relying on e mails, GANTTs, content appended to email, web repositories, all singularly disconnected (from other platforms). All vertically isolated. Think of all the above instead on single ledgers which then are interconnected.Via API. On #DLT technologies