ALEXANDRIA, Virginia, April 24 -- INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, New York has been assigned a patent (No. US 11968291 B2, initially filed April 20, 2023) developed by four inventors Davide Fazzone, Baiano, Italy; Luigi Lombardi, Naples, Italy; Vinicio Bombacino, Rome, Italy; and Andrea Tortosa, Rome, Italy, for "Access to data broadcast in encrypted form based on blockchain." . . .