ALEXANDRIA, Va., May 5 -- United States Patent no. 12,621,273, issued on May 5.

"Decentralized messaging inbox" was invented by Alaric M. Eby (Austin, Texas) and Andras L. Ferenczi (Peoria, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are various embodiments for implementing a decentralized messaging system that allows users to exchange messages via an inbox maintained through a distributed ledger. A messaging inbox can be created for a user in a distributed ledger using an inbox address that includes a string of alphanumeric numbers without an identifying domain name or identifying information about the user. Furthermore, a user may define content preferences associated with the inbox that...