ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,837, issued on March 31, was assigned to PayPal Inc. (San Jose, Calif.).
"PKI-based authentication of blockchain addresses" was invented by Ben Riva (Givatayim, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques are disclosed relating to determining identity information of a user associated with a blockchain address. An application of a first user can receive information indicative of a blockchain address of a second user. This information either includes or is usable to retrieve a certificate of the second user, which is signed by a private key of a certificate authority (CA), and which includes identity information of the second use...