Patents by Inventor Xixia Gou

Xixia Gou has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • TRANSACTION TRACING METHOD AND APPARATUS BASED ON BLOCKCHAIN
    Publication number: 20230196351
    Abstract: A method and an apparatus for tracing a transaction based on a blockchain are provided. The method may include: invoking a smart contract between an upstream node and an intermediate node; encrypting, by using a private key of the intermediate node, transaction details between the upstream node and the intermediate node to generate and write upstream transaction information into the blockchain; encrypting the private key of the intermediate node by respectively using public keys of the upstream node and an end node, and generating and writing secret-key information of the upstream node and the end node into the blockchain; and decrypting the secret-key information of the upstream node and the end node by using the private keys of the upstream node and the end node, and decrypting the upstream transaction information of the intermediate node by using the private key of the intermediate node to obtain the transaction details.
    Type: Application
    Filed: April 27, 2021
    Publication date: June 22, 2023
    Applicants: Jingdong Technology Information Technology Co., Ltd., Jingdong Technology Holding Co., Ltd.
    Inventor: Xixia Gou