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    ELECTRONIC DEVICE FOR PROVIDING TRANSACTION IN BLOCKCHAIN NETWORK AND OPERATING METHOD THEREOF
    3.
    发明公开
    ELECTRONIC DEVICE FOR PROVIDING TRANSACTION IN BLOCKCHAIN NETWORK AND OPERATING METHOD THEREOF 审中-公开

    公开(公告)号：US20230252461A1

    公开(公告)日：2023-08-10

    申请号：US18300098

    申请日：2023-04-13

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Byeongyun OH ,  Gyuhyun SHIN ,  Woongah YOON ,  Jinsu JO ,  Seungmin HA

    IPC: G06Q20/38 ,  G06Q20/02

    CPC classification number: G06Q20/3825 ,  G06Q20/3829 ,  G06Q20/02

    Abstract: An electronic device constituting a first block node included in a blockchain network of the disclosure is provided. The electronic device performs, in response to an input of requesting a transaction, obtaining first input data, output data, and a first identification value indicating a unique value capable of identifying a first smart contract, validating a blockchain application, forwarding a public key for a private key and an input data request to the second block node, based on the validation result, receiving, from the second block node, second input data encrypted with the public key and a second identification value indicating a unique value capable of identifying a second smart contract, and transmitting transaction data including the first input data and the output data to the server node, based on the comparison result of the first identification value and the second identification value.

    ELECTRONIC DEVICE HAVING PARTIAL LEDGER IN BLOCKCHAIN NETWORK AND OPERATION METHOD THEREOF
    4.
    发明公开
    ELECTRONIC DEVICE HAVING PARTIAL LEDGER IN BLOCKCHAIN NETWORK AND OPERATION METHOD THEREOF 审中-公开

    公开(公告)号：US20230261888A1

    公开(公告)日：2023-08-17

    申请号：US18301633

    申请日：2023-04-17

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Sungwook WON ,  Woongah YOON ,  Seungmin HA ,  Jinsu JO

    IPC: H04L9/00

    CPC classification number: H04L9/50

    Abstract: An electronic device constituting a blockchain node included in a blockchain network is provided. The electronic device includes a communication circuit configured to at least one of transmit a signal to or receive another signal from one or more external devices, a memory configured to store a partial ledger including a part of an entire ledger for the blockchain network, the partial ledger including at least one block corresponding to respective at least one transaction in which the electronic device has participated in a consensus, and at least one processor electrically connected to the communication circuit and the memory, wherein the at least one processor is configured to execute a transaction related to the electronic device, according to the execution of the transaction, generate a block which includes block data for the transaction, and a hash field including previous block information in the entire ledger and previous block information in the partial ledger, and to store the block in the memory in association with the partial ledger.

    METHOD FOR STORING AND RECOVERING KEY FOR BLOCKCHAIN-BASED SYSTEM, AND DEVICE THEREFOR
    5.
    发明申请
    METHOD FOR STORING AND RECOVERING KEY FOR BLOCKCHAIN-BASED SYSTEM, AND DEVICE THEREFOR 有权

    公开(公告)号：US20220239509A1

    公开(公告)日：2022-07-28

    申请号：US17722888

    申请日：2022-04-18

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Wooseok JANG ,  Moonsung NA ,  Sungwook WON ,  Sunghyuk LEE ,  Youna LEE ,  Euiheon JEONG ,  Seongmin JE ,  Jinsu JO ,  Jongkeun CHOI

    IPC: H04L9/00 ,  H04L9/08 ,  H04L9/32

    Abstract: An electronic device is provided. The electronic device includes a memory, a communication circuit, a display, and a processor connected to the memory, the communication circuit, and the display, wherein the memory stores instructions which, when executed, cause the processor to acquire device information relating to a plurality of external electronic devices, on the basis of the device information, select a plurality of distribution storage devices for storing a distribution key from among the plurality of external electronic devices, generate a plurality of distribution keys obtained by dividing mnemonic information or a seed value for generating a key for electronically signing data to be transmitted to a blockchain network, and control the communication circuit such that the plurality of distribution keys are distributed and transmitted to the plurality of distribution storage devices.

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