ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,891, issued on March 31, was assigned to BLACK GOLD COIN INC (Cheyenne, Wyo.).

"Systems and methods for personal identification and verification" was invented by Marcus Andrade (Missouri City, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A personal/client identification and verification process, pseudonymous system and transaction network for monitoring and restricting transactions of cryptography-based electronic money. The present invention-"legal identity-linked credential authentication protocol" is a protocol providing a practical solution for the issues related to cryptocurrency theft, KYC and AML, while maintaining user privacy."

Th...