US Patent Issued to nChain Licensing on March 18 for "Methods and devices for public key management using a blockchain" (British Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,256,000, issued on March 18, was assigned to nChain Licensing AG (Zug, Switzerland).

"Methods and devices for public key management using a blockchain" was invented by Craig Steven Wright (London) and Wei Zhang (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "A blockchain network may be used to improve upon public-key infrastructure by providing for fast and secure registration, revocation and update of digital certificates. A public key may be recorded on the blockchain by a certificate authority in such a manner that any third party may quickly and easily verify that the public key is certified by the certificate authority and that the certific...