U.S. Patent 10790981 was awarded to Alibaba Group Holding Limited on September 29, 2020 and is entitled “Method and apparatus for verifying block data in a blockchain.” The first named inventor is Honglin Qiu of Hangzhou, . The abstract contains an overview of the patent disclosure:

The present solution discloses example methods and systems for verifying block data. One example method includes identifying newly added data to be stored in a blockchain, and selecting a data node in a block to store the newly added data. A string is generated based on the newly added data, and then a verification value for the newly added data is developed from the string using a predetermined algorithm. A new verification value for the block is calculated based on the verification value of the newly added data and the original verification values of the unchanged data nodes in the block. The new verification value for the block can then be used to verify the data stored in the block is consistent with data stored in the rest of the blockchain. Link to Full Patent

This blockchain patent was originally filed on October 22, 2019  as U.S. Patent Application 16/660412 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10790981. The primary examiner was Andrew J Steinle.

Alibaba Group Holding Limited, who is the original assignee of this patent, has at least 1834 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.

Select IP monitors top patents and patents which have been allowed and granted worldwide. We are experts in patent law with experience blockchain technology and IP law and intellectual property law as it pertains to blockchain technology and cryptocurrency patents. If you are interested in connecting with an IP law attorney or patent law attorney, please contact us via the contact form.

Patentability Searches – Determine the patentability of your inventions.
Freedom to Operate Searches & Opinions – Identify patents may give you potential infringement issues (including in the recording, communication or information retrieval equipment field).
Non-Infringement Opinions – Determine if your product infringes a competitor’s patent.
Patent Invalidity Searches & Opinions – Find prior art to invalidate a competitor’s patent.
U.S. Provisional Patent Applications – Receive cost-effective “patent pending” status for your invention.
U.S. Non-Provisional Patent Applications (Utility) – Apply for patent protection on the structural and functional aspects of your invention.
U.S. Design Patent Applications – Apply for patent protection on the ornamental appearance of your invention.