ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,817, issued on April 21.

"Systems and methods for a quantum safe certificate ledger" was invented by John A. Nix (Evanston, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A quantum safe blockchain system can operate with quantum safe blockchain nodes (QSBN) and validators. A QSBN can generate a pending register certificate transaction comprising a public key, a fingerprint for a certificate, a URL for the certificate, a first registration number for a parent certificate of the certificate, and a digital signature. The QSBN can transmit the pending register certificate transaction to the quantum safe blockchain system. A validator can receive t...