Patents by Inventor Jeong Hyeon MA

Jeong Hyeon MA 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).

  • Apparatus and method for tolerating Byzantine faults in blockchain platforms
    Patent number: 12147535
    Abstract: A Byzantine fault tolerance method in a blockchain platform, which is related to an audit transaction analysis method for analyzing operation of a blockchain ordering service, may comprise: determining, through an audit transaction analysis submitted by each blockchain node included in at least one received block, a consensus level of the received block; and detecting a malfunction and a malicious attack of an ordering service on the basis of a consensus level update delay time and an error analysis of an audit transaction analysis process in the blockchain node.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: November 19, 2024
    Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Chanik Park, Jeong Hyeon Ma
  • METHOD AND APPARATUS FOR USER AUTHENTICATION BASED ON BLOCK CHAIN
    Publication number: 20230254310
    Abstract: A user authentication method performed by an authentication management server constituting a block chain network with a target device may comprise receiving, from the target device, a transaction including authentication information of a user and a unique value of the target device; determining a token of the user stored in a smart contract based on the authentication information; and authenticating the user based on validity information of the token, ownership information of the token, and the transaction.
    Type: Application
    Filed: January 3, 2023
    Publication date: August 10, 2023
    Applicant: POSTECH ACADEMY - INDUSTRY FOUNDATION
    Inventors: Chan Ik PARK, Jeong Hyeon MA
  • Method and apparatus for user authentication based on block chain
    Patent number: 11582234
    Abstract: A user authentication method performed by an authentication management server constituting a block chain network with a target device may comprise receiving, from the target device, a transaction including authentication information of a user and a unique value of the target device; determining a token of the user stored in a smart contract based on the authentication information; and authenticating the user based on validity information of the token, ownership information of the token, and the transaction.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: February 14, 2023
    Assignee: POSTECH ACADEMY—INDUSTRY FOUNDATION
    Inventors: Chan Ik Park, Jeong Hyeon Ma
  • APPARATUS AND METHOD FOR TOLERATING BYZANTINE FAULTS IN BLOCKCHAIN PLATFORMS
    Publication number: 20220083656
    Abstract: A Byzantine fault tolerance method in a blockchain platform, which is related to an audit transaction analysis method for analyzing operation of a blockchain ordering service, may comprise: determining, through an audit transaction analysis submitted by each blockchain node included in at least one received block, a consensus level of the received block; and detecting a malfunction and a malicious attack of an ordering service on the basis of a consensus level update delay time and an error analysis of an audit transaction analysis process in the blockchain node.
    Type: Application
    Filed: September 13, 2021
    Publication date: March 17, 2022
    Inventors: Chanik PARK, Jeong Hyeon MA
  • METHOD AND APPARATUS FOR USER AUTHENTICATION BASED ON BLOCK CHAIN
    Publication number: 20200053081
    Abstract: A user authentication method performed by an authentication management server constituting a block chain network with a target device may comprise receiving, from the target device, a transaction including authentication information of a user and a unique value of the target device; determining a token of the user stored in a smart contract based on the authentication information; and authenticating the user based on validity information of the token, ownership information of the token, and the transaction.
    Type: Application
    Filed: August 13, 2019
    Publication date: February 13, 2020
    Inventors: Chan Ik PARK, Jeong Hyeon MA