In the Information and Network Technologies world leader Cisco is developing a confidential group communication method based on blockchain technology, according to the patent application published on March 29 by the U.S. Patent and Trademark Office (USPTO).
In the app, the company describes how blockchain can track more confidential and secure group messaging, file sharing and member history. The purpose of patent technology is to address the common challenges faced by ad hoc messaging groups: SOURCE https://cointelegraph.com/news/cisco-developing-confidential-communications-via-blockchain-in-patent-filing