U.S. Patent 10986080 was awarded to Peking University on April 20, 2021 and is entitled “Permission management method and system for trustworthiness mechanism of big-data blockchain.” The first named inventor is Xuanzhe Liu of Beijing, . The abstract contains an overview of the patent disclosure:

A permission management method for a trustworthiness mechanism of a big-data blockchain includes: dividing system resources into user-role resources, data resources and node resources; acquiring a current role of a user based on a RBAC module in a R-TBAC model, and acquiring an operating-permission-value range of the current role; monitoring an operating behavior of the user in an operating system, and, based on the RBAC module and according to the operating-permission-value range of the current role, detecting whether the current role of the user has a role-operating permission for the operation; detecting a task-operating permission of the contract instance or task instance based on a TBAC module in the R-TBAC model during running of the contract instance or task instance; and completing, by the user, the operation in an authorized operating permission range based on the R-TBAC model. Link to Full Patent

This blockchain patent was originally filed on January 13, 2021  as U.S. Patent Application 17/148112 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10986080. The primary examiner was Shin-Hon (Eric) Chen.

Peking University, who is the original assignee of this patent, has at least 274 total granted patents in the United States as of the date of this article. This blockchain patent has been cited 0 times by other U.S. patents according to our law firm research, and can be considered an innovative patent in the field of cryptocurrency and blockchain.

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