U.S. Patent 10958417 was awarded to INTERNATIONAL BUSINESS MACHINES CORPORATION on March 23, 2021 and is entitled “Protecting sensitive data in a distributed ledger system using blockchain hierarchies.” The first named inventor is Kapil Kumar Singh of Cary, NC. The abstract contains an overview of the patent disclosure: A blockchain hierarchy comprises an arrangement of…
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U.S. Patent 10958421 was awarded to INTERNATIONAL BUSINESS MACHINES CORPORATION on March 23, 2021 and is entitled “User access control in blockchain.” The first named inventor is Woong A. Yoon of Boxborough, MA. The abstract contains an overview of the patent disclosure: A method, computer system, and a computer program product for controlling access to…
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