Patents by Inventor Yayun HE

Yayun HE 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).

  • Patent number: 12212686
    Abstract: The present invention relates to the technical field of block chains, and discloses a data security management method, system and storage medium for smart contract based on block chain network, comprising storing information of at least one public key in asymmetric public and private keys synchronously when generating the smart contract; triggering a data management request, establishing block chain network communication, calling the smart contract to generate validation data, rendering timeliness management to the validation data, sending the same to a data management request end and calling at least one private key, signing the validation data, reorganizing the same with data to be managed and making corresponding management operations; data modifications caused by malicious attacks to data in the contract due to disclosure of the contract or other security defects are addressed, safety of data in the chains is efficiently promised and the present invention is of realistic utility value.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: January 28, 2025
    Assignee: HEFEI YIWUYIZHENG TECHNOLOGY CO., LTD.
    Inventors: Dong Chu, Xinyu Wang, Rong Zhang, Li Zhao, Yayun He
  • Publication number: 20240214214
    Abstract: The present invention relates to the technical field of block chains, and discloses a data security management method, system and storage medium for smart contract based on block chain network, comprising storing information of at least one public key in asymmetric public and private keys synchronously when generating the smart contract; triggering a data management request, establishing block chain network communication, calling the smart contract to generate validation data, rendering timeliness management to the validation data, sending the same to a data management request end and calling at least one private key, signing the validation data, reorganizing the same with data to be managed and making corresponding management operations; data modifications caused by malicious attacks to data in the contract due to disclosure of the contract or other security defects are addressed, safety of data in the chains is efficiently promised and the present invention is of realistic utility value.
    Type: Application
    Filed: August 5, 2021
    Publication date: June 27, 2024
    Inventors: Dong CHU, Xinyu WANG, Rong ZHANG, Li ZHAO, Yayun HE