U.S. Patent 11140141 was awarded to Fiske Software LLC on October 05, 2021 and is entitled “Multiparty key exchange.” The first named inventor is Michael Stephen Fiske of San Francisco, CA. The abstract contains an overview of the patent disclosure:

This invention pertains to secure communications between multiple parties and/or secure computation or data transmission between multiple computers or multiple vehicles. This invention provides a secure method for three or more parties to establish one or more shared secrets between all parties. In some embodiments, there are less than 40 parties and in other embodiments there are more than 1 million parties that establish a shared secret. In some embodiments, establishing a shared secret among multiple parties provides a method for a secure conference call. In some embodiments, a shared secret is established with multiple computer nodes across the whole earth to help provide a secure Internet infrastructure that can reliably and securely route Internet traffic. In some embodiments, a shared secret is established so that self-driving vehicles may securely communicate and securely coordinate their motion to avoid collisions. In some embodiments, a shared secret is established with multiple computer nodes that participate as a network, performing blockchain computations. Link to Full Patent

This blockchain patent was originally filed on September 17, 2018  as U.S. Patent Application 16/133673 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11140141. The primary examiner was Robert B Leung.

Fiske Software LLC, who is the original assignee of this patent, has at least 14 total granted patents in the United States as of the date of this article. This blockchain patent has been cited 0 times by other U.S. patents according to our law firm research, and can be considered an innovative patent in the field of cryptocurrency and blockchain.

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