US Patent Issued to International Business Machines on Aug. 4 for "Selective audit process for privacy-preserving blockchain" (Swiss Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,701,005, issued on Aug. 4, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Selective audit process for privacy-preserving blockchain" was invented by Kaoutar El Khiyaoui (Rueschlikon, Switzerland) and Angelo De Caro (Zurich, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An example operation may include one or more of identifying a first blockchain transaction stored on a blockchain ledger based on a first identifier of a user that submitted the first blockchain transaction, retrieving a secret key shared between an auditor node and the user, decrypting, via the auditor node, ciphertexts included in the first blockchain...