Patents by Inventor Maocai LI

Maocai LI 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).

  • Publication number: 20210297242
    Abstract: The present disclosure includes a method for processing distributed data. In the method, the distributed data of a first main body is obtained. The distributed data has a transfer identifier. The distributed data is transferred, in response to a second main body different from the first main body, to a management address based on the transfer identifier when the distributed data meets a first condition. The first condition is that the distributed data includes abnormal information. The distributed data transferred to the management address freezes transfer of the distributed data by the first main body.
    Type: Application
    Filed: June 1, 2021
    Publication date: September 23, 2021
    Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Maocai LI, Zongyou WANG, Hu LAN, Yifang SHI
  • Publication number: 20210286900
    Abstract: Aspects of the disclosure provide a method for displaying blockchain data, a blockchain browser, a user node, and a medium. The method can include transmitting a blockchain data query request, and receiving blockchain data obtained through query in response to the blockchain data query request. Further, the method can include obtaining filtered blockchain data, the filtered blockchain data being generated after illegal content in the blockchain data is filtered out based on a filtering rule, and displaying the filtered blockchain data. In embodiments of this disclosure, the display of the illegal content in the blockchain data can be automatically skipped.
    Type: Application
    Filed: June 2, 2021
    Publication date: September 16, 2021
    Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Maocai LI, Zongyou WANG, Kaiban ZHOU, Jinsong ZHANG, Hu LAN, Li KONG, Changqing YANG, Yifang SHI
  • Publication number: 20210263765
    Abstract: Embodiments of this disclosure disclose a block processing method, a node, and a system, to improve the speed of block generation and the performance of transaction processing.
    Type: Application
    Filed: May 11, 2021
    Publication date: August 26, 2021
    Applicant: Tencent Technology (Shenzhen) Company Limited
    Inventors: Pan LIU, Maocai LI, Zongyou WANG, Hu LAN, Yifang SHI
  • Publication number: 20210248675
    Abstract: A method for transferring a credit rights certificate is provided, including: generating a target account address according to a debtor account address and a creditor account address in a credit rights certificate transfer request, the target account address being a temporary account address used for storing a credit rights certificate and based on a multi-digital-signature process; transferring a credit rights certificate corresponding to the credit rights certificate transfer request from the debtor account address to the target account address; and transferring the credit rights certificate from the target account address to the creditor account address based on a confirmation instruction from the creditor account address.
    Type: Application
    Filed: April 15, 2021
    Publication date: August 12, 2021
    Applicant: Tencent Technology (Shenzhen) Company Limited
    Inventors: Rui GUO, Yige CAI, Maocai LI, Qing Qin, Jianjun ZHANG, Zongyou WANG, Zichao TANG, Qingzheng SHANG, Chen YANG, Li KONG
  • Publication number: 20210243037
    Abstract: This application provides an information processing method in digital asset certificate inheritance transfer, and a related apparatus. The method includes: obtaining a will of a user; and triggering, in response to that a signature made on the will by using a public key of the authoritative entity node is successfully verified by using a private key of the authoritative entity node, transmission of a signature made on at least one digital asset certificate in the will by using a public key of a corresponding inheritor personal security kernel node to the inheritor personal security kernel node corresponding to each inheritor personal security kernel node identifier in the will. In the embodiments of this application, the digital asset certificates of the user are uniformly maintained.
    Type: Application
    Filed: April 22, 2021
    Publication date: August 5, 2021
    Applicant: Tencent Technology (Shenzhen) Company Limited
    Inventors: Dongyan WANG, Maocai LI, Bo LI, Haitao TU, Zongyou WANG
  • Publication number: 20210201311
    Abstract: A method for operating an electronic device is provided. The method includes: receiving a first resource transfer request, the first resource transfer request being used for requesting resource transfer associated with a target certificate of debt; performing verification on the first resource transfer request according to the target certificate of debt stored in a blockchain system; and performing, based on the first resource transfer request, the resource transfer associated with the target certificate of debt, in a case that the verification succeeds.
    Type: Application
    Filed: March 17, 2021
    Publication date: July 1, 2021
    Applicant: Tencent Technology (Shenzhen) Company Limited
    Inventors: Rui GUO, Yige CAI, Maocai LI, Qing QIN, Jianjun ZHANG, Zichao TANG, Qingzheng SHANG, Chen YANG, Shuai ZHANG, Kuangdi BAO, Chengbo WEN, Yemao WANG, Jianming YANG
  • Publication number: 20210203482
    Abstract: Aspects of the disclosure are directed to a method for use on a blockchain network that includes an accounting node subnetwork having accounting nodes configured to record a data block onto a blockchain and a service node having service nodes configured to verify data blocks recorded by the accounting nodes onto the blockchain. The method can include generating a signature based on transaction information to be included in a data block to be added onto the blockchain by using a key specific to the accounting node. The method can further include adding the transaction information and the generated signature to the data block and adding the data block onto the blockchain, and transmitting the signature to the service nodes in the service node subnetwork, so that the service nodes perform signature verification on the signature based on the key specific to the accounting node.
    Type: Application
    Filed: March 12, 2021
    Publication date: July 1, 2021
    Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Maocai LI, Hu LAN, Zongyou WANG, Kaiban ZHOU, Haitao TU, Jinsong ZHANG, Yifang SHI, Changqing YANG, Li KONG, Gengliang ZHU, Yong DING, Qucheng LIU, Qiuping CHEN, Peng WANG
  • Publication number: 20210176044
    Abstract: Aspects of the disclosure provide methods and apparatuses for storing data. In some examples, an information processing apparatus that includes processing circuitry is provided. The processing circuitry is configured to receive data and determine a target blockchain based on an attribute associated with the data and blockchain correspondence information. The blockchain correspondence information indicates attributes associated with a plurality of blockchains. Further, the processing circuitry is configured to store a first block that is generated based on the received data in the target blockchain.
    Type: Application
    Filed: February 17, 2021
    Publication date: June 10, 2021
    Applicant: Tencent Technology (Shenzhen) Company Limited
    Inventors: Rui GUO, Maocai Li, Jun Liang, Jianjun Zhang, Zongyou Wang, Qi Zhao, Haitao Tu, Binhua Liu, Dawei Zhu, Qing Qin
  • Publication number: 20210167970
    Abstract: Disclosed is a data synchronization method performed by a computer device, the method including: receiving a piece of transaction data, the piece of transaction data carrying an update operation identifier and a predefined phrase corresponding to the update operation identifier; obtaining, in a case that a target block including the piece of transaction data is stored into a blockchain of a blockchain system, the update operation identifier and the predefined phrase in the target block; and updating a predefined phrase database according to the update operation identifier and the predefined phrase in the target block.
    Type: Application
    Filed: January 11, 2021
    Publication date: June 3, 2021
    Inventors: Maocai LI, Zongyou Wang, Hu Lan
  • Publication number: 20210157778
    Abstract: Embodiments of this application provide a blockchain-based information processing method, including: obtaining an original index information set, the original index information set comprising at least one piece of original index information, each piece of original index information comprising plaintext sensitive content; obtaining information in to-be-matched blocks in a blockchain system, the information comprising information content and an information index, the information content having a correspondence with the information index; matching the information content in the information by using the original index information set, to obtain a matching result; and determining a variant index information set when the matching result indicates that the matching succeeds, the variant index information set comprising at least one piece of variant index information, the variant index information comprising the information index corresponding to the information content in the information.
    Type: Application
    Filed: February 3, 2021
    Publication date: May 27, 2021
    Inventors: Maocai LI, Zongyou WANG, Hu LAN
  • Publication number: 20210135848
    Abstract: This application provide a data management method for a blockchain system, a medium, and an electronic device. The system includes an accounting node sub-network and a service node sub-network. The method includes: adding, after an accounting node generates a first data block, first key information used for verifying a block header of a second data block generated after the first data block to a block header of the first data block; generating a signature corresponding to the first data block, and adding the signature corresponding to the first data block to the block header of the first data block; and releasing the block header of the first data block to the service node sub-network, to cause a service node to verify the signature included in the block header of the first data block, and obtaining the first key information after a successful verification to verify the block header of the second data block.
    Type: Application
    Filed: January 13, 2021
    Publication date: May 6, 2021
    Inventors: Maocai LI, Zongyou Wang, Li Kong, Kaiban Zhou, Hu Lan, Yifang Shi, Changqing Yang, Jinsong Zhang, Yong Ding, Gengliang Zhu, Qucheng Liu, Qiuping Chen
  • Publication number: 20210136073
    Abstract: The present disclosure provides an identity authentication method, a personal security kernel node, a device, and a medium. The personal security kernel node is part of an identity authentication system, the identity authentication system further comprising a relying party node and a user identity credential certifier node. The method includes: obtaining an identity authentication assurance level corresponding to a service provided by a relying party; determining, according to the identity authentication assurance level, a user identity credential used by a user for the service; transmitting the user identity credential to a user identity credential certifier node through a relying party node, so that the user identity credential certifier node performs user identity credential authentication; and performing the service with the relying party node. According to the embodiments of the present disclosure, security of user identity assets can be improved during identity authentication.
    Type: Application
    Filed: January 12, 2021
    Publication date: May 6, 2021
    Inventors: Dongyan WANG, Maocai LI, Bo LI, Haitao TU
  • Patent number: 10999061
    Abstract: Aspects of the disclosure provide methods and apparatuses for storing service data. In some examples, an apparatus for storing service data includes processing circuitry. The processing circuitry receives service data of a user and determines, in a plurality of blockchains, a target blockchain according to a user attribute of the user. Based on the service data and an eigenvalue of a block header of a first block in the target blockchain, the processing circuitry generates a second block in the target blockchain. The first block is a previous block of the second block. The second block is used for recording the service data.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: May 4, 2021
    Assignee: Tencent Technology (Shenzhen) Company Limited
    Inventors: Rui Guo, Maocai Li, Jun Liang, Jianjun Zhang, Zongyou Wang, Qi Zhao, Haitao Tu, Binhua Liu, Dawei Zhu, Qing Qin
  • Publication number: 20210105133
    Abstract: This application discloses an audit result data storage method and device, an audit result data query method and device, an audit item storage method and device, an electronic device and a medium. The method includes obtaining a first hash value of audit result data of a first user; signing the first hash value according to a private key of the first user to obtain first signature data; and transmitting the first signature data to an audit result data storage subsystem, the audit result data storage subsystem being configured to store data in the form of a blockchain.
    Type: Application
    Filed: October 16, 2020
    Publication date: April 8, 2021
    Inventors: Dongyan WANG, Maocai LI, Bo LI, Haitao TU
  • Publication number: 20210049596
    Abstract: Embodiments of this disclosure disclose a resource transfer data management method and apparatus, and a storage medium, which belong to the field of Internet technologies. The method includes: receiving transaction data transmitted by a first server, wherein the transaction data is obtained by the first server by signing resource transfer data according to a private key of the first server; verifying the transaction data according to a public key of the first server; and generating a second block according to the transaction data and a feature value of a first block in a blockchain when the verification succeeds, and adding the second block as a next block of the first block to the blockchain.
    Type: Application
    Filed: November 4, 2020
    Publication date: February 18, 2021
    Applicant: Tencent Technology (Shenzhen) Company Limited
    Inventors: Rui GUO, Maocai LI, Zongyou WANG, Haitao TU, Li KONG, Kaiban ZHOU, Changqing YANG, Nan WANG, Yong DING, Yifang SHI
  • Publication number: 20210027310
    Abstract: A method for electing a representative node device performed by a first node device in a blockchain system includes: broadcasting candidate addition transaction data in the blockchain system, the candidate addition transaction data carrying credential data, the credential data being received from a target server and indicating that a first node device meets a qualification requirement for a candidate node device; storing the candidate addition transaction data on a target blockchain of a blockchain system when a plurality of node devices in the blockchain system verify the candidate addition transaction data by consensus; and participating in an election of the representative node device according to the candidate addition transaction data stored on the target blockchain.
    Type: Application
    Filed: October 8, 2020
    Publication date: January 28, 2021
    Inventors: Rui GUO, Maocai LI, Zongyou WANG, Haitao TU, Li KONG, Kaiban ZHOU, Changqing YANG, Nan WANG, Yong DING, Yifang SHI
  • Publication number: 20210027289
    Abstract: In a transaction method, transaction information is obtained. The transaction information includes a type identifier and quantity of first assets, and a type identifier and quantity of second assets. Transaction records, corresponding to a transaction in a block, are stored upon verification of the transaction information. The transaction records include first and second transaction records. The first transaction record includes first input and output items corresponding to the first assets, and the first input and output items each includes the type identifier of the first assets. The second transaction record includes second input and output items corresponding to the second assets, and the second input and output items each includes the type identifier of the second assets. The block is broadcasted to other nodes in the blockchain network, and verification results are received. The block is added to a blockchain of a current node based on the verification results.
    Type: Application
    Filed: October 13, 2020
    Publication date: January 28, 2021
    Applicant: TENCENT TECHNOLOGY (SHENZEN) COMPANY LIMITED
    Inventors: Rui Guo, Maocai Li, Zongyou Wang, Haitao Tu, Li Kong, Kaiban Zhou, Changqing Yang, Nan Wang, Yong Ding, Yifang Shi
  • Publication number: 20210021419
    Abstract: A method for electing a representative node device is performed at a blockchain system, including: obtaining voting transaction data from the node devices, the voting transaction data being used for voting for one or more node devices of the blockchain system as representative node devices; generating and storing the voting transaction data into a target blockchain of the blockchain system when a plurality of node devices of the blockchain system verify the voting transaction data by consensus; and when a quantity of blocks in the target blockchain generated using the voting transaction data reaches a preset quantity, determining an election result according to quantities of votes of the node devices determined from the voting transaction data, the election result identifying a plurality of representative node devices in the blockchain system being configured to generate new blocks for the target blockchain and perform verification on the new blocks by consensus.
    Type: Application
    Filed: October 1, 2020
    Publication date: January 21, 2021
    Inventors: Rui GUO, Maocai LI, Zongyou WANG, Haitao TU, Li KONG, Kaiban ZHOU, Changqing YANG, Nan WANG, Yong DING, Yifang SHI
  • Publication number: 20210021412
    Abstract: A method for electing a representative node device for a blockchain system includes: receiving IP address information of a first node device, the first node device being in a candidate state for a representative node device; receiving, from the first node device, an IP address obtaining request for requesting IP address information of a representative node device; when the first node device is determined to be a representative node device of the blockchain system elected in a current election process, transmitting, to the first node device, an IP address list comprising IP address information of representative node devices elected in the current election process; and when the first node device is determined not to be a representative node device of the blockchain system elected in the current election process, skipping the IP address obtaining request.
    Type: Application
    Filed: October 1, 2020
    Publication date: January 21, 2021
    Inventors: Rui GUO, Maocai Li, Zongyou Wang, Haitao Tu, Li Kong, Kaiban Zhou, Changqing Yang, Nan Wang, Yong Ding, Yifang Shi
  • Publication number: 20200396089
    Abstract: Embodiments of this application relate to a digital certificate management method performed at a computer device. The method includes: receiving a digital certificate generation request submitted by a certificate application node; transmitting identification information to consensus authentication centers for certification to obtain certification results obtained by the consensus authentication centers from performing the certification according to the identification information; determining an identification result corresponding to the certificate application node according to the certification results of the consensus authentication centers; generating, when the certification succeeds, a target digital certificate corresponding to the certificate application node submitting the digital certificate generation request; and writing the target digital certificate as a transaction resource into a blockchain associated with the consensus authentication centers.
    Type: Application
    Filed: August 26, 2020
    Publication date: December 17, 2020
    Inventors: Rui GUO, Maocai LI, Jianjun ZHANG, Zhen ZENG, Zichao TANG, Jiguang LU