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INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM

Resumen de: EP4675536A1

Problem To verify which one of the distribution pieces of a secret key has been used to generate an electronic signature generated by the secret key.Solution An information processing device including: a distribution destination control unit that controls a plurality of distribution destinations for respectively storing a plurality of distribution pieces obtained by secretly distributing a secret key, on the basis of a selection by a user; a signature generation unit that generates an electronic signature by the secret key, by using part of the plurality of distribution pieces stored in the plurality of distribution destinations; a transaction issuance unit that issues a transaction, which is attached with the electronic signature, to a blockchain; and an audit unit that verifies which one of the plurality of distribution pieces has been used to generate the electronic signature attached to the transaction on the blockchain.

Method and system for data use/access control

Resumen de: GB2642380A

Claimed is a method of access control where the location 1003 of a device, possibly a cryptowallet, wishing to access data or a digital asset is determined and compared to a list of authorised locations 1005 such as buildings, work stations, or server racks, and access is granted if the device is in an authorized location 1007. The digital asset may be generated by or recorded in a blockchain, and may be cryptocurrency, medical or personal information, or a non-fungible token. The location from which access is requested may be stored in a blockchain ledger. Also disclosed is a location system, which may operate in real time, comprising a plurality of nodes that may use ultra-wide-band signals to determine the position of assets or devices. The nodes and their controller may authenticate one another, and a fingerprint of the location system may be stored in the blockchain to authenticate location determinations.

SECURING BLOCKCHAIN TRANSACTION BASED ON UNDETERMINED DATA

Resumen de: EP4675972A2

Computer-implemented methods for locking a blockchain transaction based on undetermined data are described. The invention is implemented using a blockchain network. This may, for example, be the Bitcoin blockchain. A locking node may include a locking script in a blockchain transaction to lock a digital asset. The locking script includes a public key for a determined data source and instructions to cause a validating node executing the locking script to verify the source of data provided in an unlocking script by: a) generating a modified public key based on the public key for the determined data source and based on data defined in the unlocking script; and b) evaluating a cryptographic signature in the unlocking script based on the modified public key. The blockchain transaction containing the locking script is sent by the locking node to the blockchain network. The lock may be removed using a cryptographic signature generated from a private key modified based on the data.

HIERARCHY-BASED BLOCKCHAIN

Resumen de: EP4675968A2

A computer-implemented method comprising receiving a transaction request from a first node within the plurality of nodes, the transaction request corresponding to a pending transaction between the first node and a second node; identifying a blockchain associated with the pending transaction, the blockchain including a first block instance having a hierarchy file indicating a hierarchy among the first node, the second node, and the third node; identifying a second block instance having an executable file to approve the transaction request received from the first node; executing the executable file, wherein the executable file is configured to retrieve data from a data source associated with the third node and analyze data to approve or deny the transaction request; and appending a third block instance comprising the set of transaction attributes to the blockchain.

AUTHENTICATION OF USERS UTILIZING BIOMETRIC DATA IN A NON-CENTRALIZED COMPUTER SYSTEM

Resumen de: EP4675468A1

A system for authenticating a sender of a response to an authentication request includes an authentication server, an identity server configured to receive biometric data of a user, a central ID system configured to create or receive a username and/or password, and a first user device associated with a first user. The first user device is configured to create a first user ID that includes at least a first username and a first biometric data. When an authentication request is sent to a user device by the authentication server the user device responds with a user ID. The authentication server then queries at least one or both of the central ID system and the identity server to certify the accuracy of the user ID to assure it matches the first user ID before (1) accepting the response, or (2) permitting the first user to access confidential information. The systems and methods may also include blockchain authentication or tuple space authentication.

NETWORK RESOURCES LOG VALIDATION METHODS AND PRUNING MECHANISMS USING BLOCKCHAIN

Resumen de: WO2026000473A1

A computer-implemented method of reducing size of a blockchain. The method includes the steps of providing a series of data files; generating, at a time interval, a series of processed files based on filtering and/or aggregation of the series of data files; for each one of the series of processed files, computing a hash value; adding the hash values respectively to a blockchain as blocks; and storing the series of processed files off the blockchain. The proposed invention aims to develop methods to monitor and validate SLA on the blockchain. It facilitates the faster creation of network resource sharing in a 5G network and reducing the blockchain computational resources required.

SYSTEMS AND METHODS FOR TRANSMITTING INFORMATION

Resumen de: WO2026006714A1

The disclosed system and method can manage real-time transactions using a blockchain ledger. A processor can create a fractionalized risk pool for a property, comprising asset tokens and an occupancy token. The processor can receive title information and can update the blockchain ledger with this information, a timestamp, and/or a property valuation. Upon receiving a transaction from a credit card network and/or issuing bank, the processor can determine a user's real-time equity.

METHOD AND SYSTEM FOR NON-FUNGIBLE TOKEN VALIDATION FOR ENABLING PAYMENT ACCOUNT TRANSACTION BLOCKING

Resumen de: WO2026005905A1

A method for account and transaction blocking for payment transactions using validation of non-fungible tokens includes: storing a token profile associated with a non-fungible token including a token identifier and transaction criteria; storing an account profile including an account identifier, a payment account number associated with a transaction account, and a wallet identifier associated with a blockchain wallet; receiving an authorization request for a payment transaction including the payment account number and transaction data values; determining that the transaction data values satisfy the transaction criteria; determining if the blockchain wallet has ownership of the non-fungible token; and processing the payment transaction, where processing the payment transaction comprises returning an authorization response indicating decline of the payment transaction if the blockchain wallet does not have ownership of the non-fungible token, or forwarding the authorization request if the blockchain wallet does to have ownership of the non-fungible token.

STORYTELLING AI PROOF OF ATTENDANCE SYSTEMS AND METHODS

Resumen de: WO2026003556A1

The invention relates to a storytelling AI Proof of Attendance (POAP) system that integrates digital and physical tokens to commemorate significant family events. The system includes a Koseki registration system, a ceremonial application on smart personal devices, and blockchain technology. A Kamon personalization engine allows users to create custom family crests, which are minted as NFTs representing attendance and participation. The system uses IPFS for secure storage and retrieval of autobiography media, ensuring data preservation. Smart contracts manage ongoing relationships, enabling family members to contribute and access ceremonial data. QR codes with embedded images link physical objects to digital records, facilitating easy verification and sharing on social media. The invention blends traditional family heritage with modern technology, fostering community and pride through meaningful, authenticated tokens that capture and preserve family histories.

BLOCKCHAIN-BASED LARGE MODEL TRAINING METHOD, APPARATUS AND DEVICE, AND STORAGE MEDIUM

Resumen de: WO2026000894A1

Provided in the present application are a blockchain-based large model training method, apparatus and device, and a storage medium. A blockchain comprises a central node and a plurality of consortium nodes, wherein each consortium node corresponds to one data terminal. The method comprises: a central node acquiring a pre-trained large model; acquiring an adapter module corresponding to the large model, and sending the adapter module to each consortium node; each consortium node adding the adapter module to a trusted execution environment; acquiring encrypted training data from a blockchain; in the trusted execution environment, decrypting the encrypted training data, and using decrypted training data to train fine-tuning model parameters of the adapter module, and uploading updated fine-tuning model parameters to the central node; the central node performing aggregation processing on the fine-tuning model parameters; and on the basis of aggregated fine-tuning model parameters, updating the pre-trained large model to obtain an updated large model until the updated large model converges.

VIRTUAL POWER PLANT AGGREGATION MANAGEMENT PLATFORM SYSTEM AND APPARATUS, AND NETWORKING METHOD

Resumen de: WO2026000708A1

The present application provides a virtual power plant aggregation management platform system and apparatus, and a networking method. The system comprises a user login module, an overview interface module, a device management module, a blockchain data aggregation and on-chain recording module, an energy trading module, a smart contract management module, and a personal information module.

SYSTEMS, METHODS, AND DEVICES FOR RESOURCE STORAGE TRANSFER

Resumen de: WO2026003753A1

Systems and methods for transferring resources using dynamic grid curves are disclosed. A system receives a transfer request specifying an input resource type, a target resource type, an amount of input resources, and an identifier of a storage application associated with the user. The system determines a plurality of current transfer rates, each corresponding to a respective blockchain. The system may query each blockchain to determine an on-chain computation overhead for processing the transfer. Utilizing a maximal current transfer rate and the determined computation overhead, the system generates a grid curve representing the amount of target resources available for transfer as a function of time. The system transmits commands to the user device to display the grid curve and requests user validation for the transfer. Upon receiving user validation, the system transmits the grid curve and transfer request data to a plurality of approved operator devices for execution.

CONSENSUS METHOD AND APPARATUS FOR BLOCKCHAIN SYSTEM

Resumen de: WO2026000869A1

The present application is applicable to the technical field of blockchains. Provided are a consensus method and apparatus for a blockchain system. The consensus method comprises: in an (n+x2)th consensus round, referencing a plurality of proposal blocks, and combining same with the current transaction of a client, so as to generate a post-proposal block, wherein the plurality of proposal blocks are correspondingly generated by a plurality of validator nodes referencing a pre-proposal block in an nth consensus round, and the pre-proposal block is generated in an (n-x1)th consensus round; and using the post-proposal block as a certificate for the pre-proposal block, so as to reach a consensus on the pre-proposal block. By using the consensus method provided in the present application, it is unnecessary to transmit a large number of signature messages during a consensus process, instead, a reference relationship is established between blocks which are generated in different consensus rounds, so as to reach a consensus on a certain block. In this way, the overheads of transmitting and verifying signature messages during a consensus process are reduced.

RECORD-LEVEL ENCRYPTION SCHEME FOR DATA OWNERSHIP PLATFORM

Resumen de: WO2026003719A1

Disclosed herein are embodiments for a record-level encryption scheme. A data visibility control platform may facilitate record-level encryption between a data owner device and a requester device, requesting access to the encrypted record. The record may contain sensitive and/or confidential information of the data owner. The data owner may directly control the visibility of the record via the data visibility control platform. The data visibility control platform may use a combination of private and public cryptographic keys associated with the data owner and requester to provide record-level encryption. An embodiment may include record keys used to encrypt records being stored by a records database managed by a data intermediary. The record key may be encrypted using the public key of the data owner and stored on a blockchain. Access to the record key stored on the blockchain is controlled by the data owner.

SYSTEM AND METHOD FOR OFFLINE PAYMENT ON A BLOCKCHAIN

Resumen de: WO2026005597A1

Computer-implemented methods and a system are presented for offline payments between nodes. The method includes setting up a vouching agreement between a first and a second node and locking a vouched amount of tokens at the first node for use by the second node. An offline transaction is performed between the second and a third node, wherein the offline transaction exceeds a second amount of tokens available to the second node. While offline, the second node uses the vouched amount to perform the offline transaction with the third node. When online again, the second node reconciles the vouched amount with the first node. If the second node does not pay back the vouched amount to the first node, a reputation score of the second node is decreased. If the second node pays back the vouched amount to the first node, reputation scores of the first and the second node are increased.

METHODS, SYSTEM, DAPPS AND NODE FOR ENABLING STORAGE OF A FILE ON ONE OR MORE BLOCKCHAINS

Resumen de: WO2026002856A1

Methods, dapps and nodes for managing a file are disclosed. A service node (120) receives (B210) the file. A file dapp (110) allocates (B150) the file by including an allocate file request, including a filehash of the file, as a transaction, on a "hubchain" of the file dapp (110). In response, the service node (120) splits the file into a plurality of chunks. The service node (120) sends (C210), to the file dapp (110), an allocate chunk request, comprising the filehash, and a respective chunkhash of each chunk. The file dapp (110) sends (C118), to the service node (120), a response indicating that the file dapp (110) has obtained the chunk dapp (140). The service node (120) sends (C232) said each chunk and a proof to the chunk dapp (140). On success, the chunk dapp (140) stores (C460) said each chunk in a block of a blockchain managed by the chunk dapp (140).

PROPAGATING BLOCKCHAIN MESSAGES

Resumen de: CN120752888A

A computer-implemented method of disseminating blockchain messages wherein at least one blockchain node is associated with one or more respective ranges of numbers and one or more respective sets of blockchain nodes wherein each respective range of numbers is associated with a respective set of blockchain nodes, and wherein the method comprises: for at least one respective blockchain message of a plurality of respective blockchain messages, determining a respective number based on the respective blockchain message, where the respective number of one or more respective blockchain messages is within a respective range of the one or more respective ranges; and, for each respective range in which the respective number of one or more respective blockchain transactions is located, providing part or all of the one or more respective blockchain messages to each blockchain node belonging to the respective set of blockchain nodes associated with the respective node.

PROPAGATING BLOCKCHAIN MESSAGES

Resumen de: CN120731577A

A computer-implemented method of disseminating blockchain messages, where a blockchain network comprises a plurality of blockchain nodes, where each blockchain node is associated with a respective set of blockchain nodes, wherein the method is performed by a first blockchain node and comprises: providing a first blockchain message to each blockchain node belonging to the respective set of blockchain nodes associated with the first blockchain node, wherein the respective set of blockchain nodes includes a portion but not all of the plurality of blockchain nodes.

PROPAGATING BLOCKCHAIN MESSAGES

Resumen de: CN120752889A

A computer-implemented method of disseminating a blockchain message, where a blockchain network comprises a plurality of blockchain nodes, where each blockchain node is associated with a respective range of numbers, where the method is performed by a first blockchain node and comprises: determining a first number based on a first blockchain message; and if the first number is within the respective range associated with the first blockchain node, providing the first blockchain message to one or more second blockchain nodes.

SENDING AND RECEIVING BLOCKCHAIN DATA

Resumen de: CN120752890A

A computer-implemented method of obtaining application-related data, wherein the method is performed by a first party and comprises: determining a first multicast network address associated with a first application; and using the first multicast address to obtain one or more respective blockchain transactions and/or one or more respective inclusion attestation, each respective inclusion attestation being associated with a respective blockchain transaction, where each respective blockchain transaction includes respective data associated with the first application.

ELECTRONIC DEVICE INCLUDED IN BLOCKCHAIN NETWORK AND OPERATION METHOD THEREOF

Resumen de: EP4672663A1

An electronic device according to an embodiment may comprise a communication circuit, a processor, and memory storing instructions. According to an embodiment, the instructions, when executed by the processor, may enable the electronic device to request, through the communication circuit, a server configured to relay message transmission between nodes included in a blockchain network to add a new block to the nodes included in the blockchain network. According to an embodiment, the instructions, when executed by the processor, may enable the electronic device to, when the request is not rejected by the server, transmit, through the communication circuit, transaction information to be stored in the new block to the server to be transmitted to the nodes via the server. According to an embodiment, the instructions may, when executed by the processor, may enable the electronic device to generate the new block including the transaction information. According to an embodiment, the instructions, when executed by the processor, may enable the electronic device to receive, through the communication circuit, information about blocks generated by first nodes in an active state among the nodes, from the server. According to an embodiment, the instructions, when executed by the processor, may enable the electronic device to, based on identifying that a number of blocks identical to the new block among the generated blocks is larger than a designated number, transmit, to the server, inform

SYSTEM AND METHOD FOR ORCHESTRATING MAINTENANCE PROCESSES OF VEHICLE COMPONENTS

Resumen de: EP4672115A2

The invention relates to a computer-implemented method for orchestrating stakeholders and owners in the management of vehicles, components, and associated maintenance events using a blockchain-based infrastructure. The method is executed by a plurality of smart contract modules deployed on a distributed ledger system. The method comprises authenticating a user via a dedicated interface (100x), including verification through an organization registry module (1016); identifying a vehicle component by acquiring a component identifier via UID, RFID or QR scanning; retrieving component information from a component registry module (1010); verifying whether the user is authorized to initiate maintenance based on ownership data; submitting maintenance data to a maintenance workflow module (1008) as a signed blockchain-compatible transaction; recording the maintenance event on the distributed ledger with a unique event identifier; updating the vehicle configuration via a vehicle management module (1012) to reflect component replacement or installation; and notifying an operator through an operator interface (1004) of the committed maintenance event.

Management system and method using blockchain system and network

Resumen de: KR20250178846A

본 발명은 서비스용 앱을 통해 제공받은 정보를 저장하여 관리하기 위한 고속 블록체인 시스템에 관한 것으로서, 상기 고속 블록체인 시스템의 경우 n(n은 3 이상의 자연수)개의 고속 처리 노드가 유선 또는 무선 네트워크를 통해 연결되어 구성되며, 상기 고속 처리 노드 각각은 상기 서비스용 앱으로부터 제공받은 정보를 이중 합의 알고리즘을 통해 검증을 수행하며, 상기 이중 합의 알고리즘을 통해 검증됨에 따라 상기 정보에 대한 단위 트랜잭션을 생성하며, 기준 시간마다 적어도 하나의 고속 처리 노드에서 둘 이상의 고속 처리 노드를 선택-상기 선택된 고속 처리 노드를 증거 노드라고 함-하며, 상기 증거 노드들과의 증거 합의 알고리즘을 수행하여 상기 기준 시간동안 생성된 단위 트랜잭션에 대한 검증을 수행한 후 상기 기준 시간 동안 생성된 단위 트랜잭션을 이용하여 고속 블록체인용 셀 블록을 생성하며, 상기 생성한 고속 블록체인용 셀 블록을 상기 고속 블록체인 시스템에 의해 생성된 고속 블록체인에 저장하며, 상기 고속 블록체인 시스템을 구성하는 고속 처리 노드들과의 합의 알고리즘을 수행하여 상기 고속 블록체인 내 단위 트랜잭션에 대한 검증을 수행하며, 상기 고속 블록체인 내 단위 트랜잭션의 전자 �

Device and method for providing token operation plaform service between blockchain mainnet user and manager

Resumen de: KR20250178848A

본 발명은 블록체인 메인넷에서 토큰 발행을 수행하는 토큰 운영 플랫폼 서비스 제공 장치 및 방법에 관한 것으로, 사용자 단말로부터 토큰 발행 요청이 수신되면 관리자 단말로 토큰 발행 요청을 전달하는 발행 요청 전달부, 관리자 단말로부터 상기 발행 요청 전달부로 전달받은 토큰 발행 요청에 대한 응답으로 토큰 발행 승인에 대한회신과 발행량 정보를 입력받는 발행 승인부, 상기 발행 승인부로부터 입력받은 승인 정보에 기반하여 토큰을 생성하고 발행하는 토큰 발행부, 상기 토큰 발행부에서 발행된 토큰의 거래 내역 및 사용자 계정, 가맹점 관련 정보를 등록 및 관리하는 토큰 관리부 및 상기 토큰 관리부에서의 등록 및 관리 기능을 상기 관리자 단말의 관리자 모드를 통해 제공하는 관리 기능 제공부를 포함하되, 상기 토큰 발행부에서 발행된 토큰 전송시에 발행된 토큰으로 전송 수수료처리하는, 블록체인 메인넷 토큰 운영 플랫폼 서비스 제공 장치에 의해 사용자가 굳이 암호화폐를 구매하지 않아도 내부 토큰으로 수수료가 빠져나가는 구조가 가능하기 때문에 수수료를 지급하기 위해 메인넷의 화폐를 구매해야하는 번거로움을 없앨 수 있고, 보다 편리하게 실생활에 사용 가능한 블록체인 기술을 제공할 수 있�

Method for Multi-Party Consensus of Stakeholders in Fashion Commerce Using Blockchain-Based Smart Contracts

Nº publicación: KR20250178843A 29/12/2025

Solicitante:

아바타메이드주

Resumen de: KR20250178843A

본 발명은 스마트 컨트랙트를 이용하여 탈중앙화 방식으로 패션 상품을 거래하는 블록체인 기반 스마트 컨트랙트를 이용한 패션 상거래에서의 이해 관계인 다자간 합의 방법에 관한 것이다. 본 발명의 일 실시 예에 따른 블록체인 기반 스마트 컨트랙트를 이용한 패션 상거래에서의 이해 관계인 다자간 합의 방법은, 반제품 및 완제품인 패션 상품, 그래픽의 판매와 완제품인 패션 상품을 제작하는 용역에 대한 계약 조건이 기록된 스마트 컨트랙트를 각각 실행하는 단계; 트랜잭션을 포함하는 블록을 블록체인에 추가하는 단계; 노드가, 반제품인 패션 상품의 판매 계약 정보, 그래픽의 판매 계약 정보 및 완제품인 패션 상품의 제조 용역 계약 정보가 포함된 블록을 생성하여 브로드캐스팅하는 단계; 및 모든 노드의 스마트 컨트랙트 데이터베이스가 동기화되어 그래픽의 판매 계약 정보, 완제품인 패션 상품의 제조 용역 계약 정보가 공유되는 단계;를 포함한다.