U.S. Patent 11100095 was awarded to Advanced New Technologies Co., Ltd. on August 24, 2021 and is entitled “Service processing system and method based on blockchain.” The first named inventor is Zhenyu Wang of Shenzhen, . The abstract contains an overview of the patent disclosure:

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for blockchain-based file querying are provided. One of the methods includes: receiving a query request for a target file, the query request comprising identification information of a user and the target file; obtaining the target file based on the identification information of the user and the target file; providing a query page of the target file, the query page comprising interactive elements for selecting whether to upload the target file to a blockchain; receiving a user selecting to upload the target file to the blockchain; hashing the target file to generate a digital digest; signing the digital digest according to an asymmetric encryption algorithm using a private key associated with a cryptographic key pair to obtain a digital signature; and uploading the target file, the digital signature, and a public key associated with the cryptographic key pair. Link to Full Patent

This blockchain patent was originally filed on February 16, 2021  as U.S. Patent Application 17/176254 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11100095. The primary examiner was Jayesh M Jhaveri.

Advanced New Technologies Co., Ltd., who is the original assignee of this patent, has at least 1031 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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