U.S. Patent 10790974 was awarded to Alibaba Group Holding Limited on September 29, 2020 and is entitled “Integrity of communications between blockchain networks and external data sources.” The first named inventor is Yirong Yu of Hangzhou, . The abstract contains an overview of the patent disclosure:

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for retrieval of data from external data sources for processing within a blockchain network. One of the methods includes receiving a request for data from a data source, the request including plaintext data and encrypted data, the encrypted data including access data and a hash of the plaintext data; transmitting the request to one relay system component external to the blockchain network; receiving a result from the relay system component that is digitally signed using a private key of the relay system component; verifying an integrity of the result based on a public key of the relay system component; and transmitting the result to a user computing device in response to verifying the integrity of the result. Link to Full Patent

This blockchain patent was originally filed on December 13, 2019  as U.S. Patent Application 16/714325 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10790974. The primary examiner was Tri M Tran.

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.

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