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158
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Última actualización
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Resultados 100 a 125 de 158
Resumen de: US2025293896A1
Methods and systems for uses and/or improvements to blockchain technology. In particular, the methods and systems described herein implement a novel cryptographic resource standard that provides functionality for complex communications. The novel cryptographic resource standard allows for blockchain functions that may involve single cryptographic resource transfers or batch cryptographic resource transfers as well as on-chain batching of one or more cryptographic resources.
Resumen de: US2025293863A1
A method for implementing distributed key generation in a blockchain by a blockchain node includes: generating n secret shares, retaining a share and respectively encrypting a remaining n−1 secret shares by using keys of receivers, generating a public verification parameter corresponding to a secret share of the blockchain node, generating a zero-knowledge proof indicating that the secret share of the blockchain node and the public verification parameter match, sending the secret share, the public verification parameter, and the zero-knowledge proof to an on-chain contract by using a transaction, verifying, by the on-chain contract based on the zero-knowledge proof, that the encrypted secret share and the public verification parameter match, obtaining, from contract information, a verified secret share corresponding to the blockchain node, performing decryption by using a key of the blockchain node, and calculating a private key share of the blockchain node based on a local secret share.
Resumen de: US2025294079A1
Systems and methods for continuous tracking of media file playback. First, transaction data from a platform stream is received. The transaction data corresponds to a request to play a media file from an end user, as well as continuous play information. Next, the transaction data is verified. Then, the verified transaction data is signed using a cryptographic signature. Next, it is determined whether the transaction data corresponds to a valid blockchain transaction. If the transaction data corresponds to a valid blockchain transaction, the valid blockchain transaction is recorded to a blockchain. Last, the transaction data and the cryptographic signature are transmitted to one or more validation nodes.
Resumen de: US2025293862A1
Systems and methods described herein relate to techniques that allow for multiple parties to jointly generate or jointly agree upon the parameters for generation of a smart contract, such as a verification key. Execution of the smart contract may be performed by a third party, for example, a worker node on a blockchain network. Techniques described herein may be utilised as part of a protocol in which parties of a smart contract share powers of a secret in a manner that allows each party to determine an identical common reference string, agree on parameters for a smart contract, agree and/or make proportionate contributions the smart contract, and combinations thereof. The smart contract may be published to a blockchain network (e.g., Bitcoin Cash). The protocol may be a zero-knowledge protocol.
Resumen de: WO2025193234A1
Various aspects of the subject technology relate to systems, methods, and machine-readable media for prescription management using blockchains. Various aspects may include receiving a request for creating a prescription prescribing at least one medication or drug to a patient. Aspects may also include generating a prescription based on the request being signed by a private key associated with an authorized physician. Aspects may also include generating hashes for metadata corresponding to attributes of the prescription. Aspects may also include storing the hashes in a token representing the prescription on a blockchain. Aspects may include verifying, based on at least one hash, whether the token is valid when a request to redeem the prescription is made. When the prescription is indicated to be valid, the at least one medication or drug corresponding to the prescription is dispensed to the patient.
Resumen de: WO2025193180A1
System and method for generating greenhouse gas emissions electronic receipt with blockchain comprising recognizing transactions from data stream, encrypting the transactions into a blockchain, aggregating related information of the transactions for a specific user, decrypting the transactions for a greenhouse gas emission report, and reporting the greenhouse gas emissions report characterized in that the blockchain is Proof of History (PoH) blockchain that the transactions are timestamped to create a chain of blocks in the blockchain.
Resumen de: WO2025193187A1
The invention is reiated to a digital asset securitization and data automation system and method utilized by finance sector players such as banks, financial institutions, asset management companies, investment funds, insurance companies, and other service providers. This system and method enable the efficient and secure securitization of receivables, including loans, invoice receivables, note receivables, and future receivables, using smart contracts and blockchain technology. It accurately analyzes the real-time performance of assets, thus protecting investors against potential principal losses or unexpected payment shortages. The system and method provide services for instant monitoring and asset conversion, and secure transfer, enhancing the security and efficiency of financial transactions in the sector.
Resumen de: WO2025193157A1
The method and system of secure message verification employing a security module to store message records of messages received from sender terminals in an immutable database such as blockchain. The security module also processes verification requests from recipient terminals for forwarded message received. In a verification request, the appropriate message record is identified by a hash of the forwarded message received by the recipient terminal or a message identifier appended to the forwarded message by the security module. The security module can verify the message by comparing data in the message record against data received from the recipient terminal.
Resumen de: WO2025192014A1
A server (20) according to an exemplary aspect of the present disclosure comprises a non-fungible token issuing unit (221), a transaction management unit (223), and a shipment management unit (225). The non-fungible token issuing unit (221) issues, in a blockchain, a first non-fungible token that is associated with the right to request delivery of an alcoholic product and a second non-fungible token that is associated with appendant data which is related to the alcoholic product. The transaction management unit (223) manages transactions of the first non-fungible token and the second non-fungible token in the blockchain. When a request for deletion of the first non-fungible token is issued in a transaction, the shipment management unit (225) provides, to a terminal of a manufacturer of the alcoholic product, an instruction to ship the alcoholic product to a delivery destination that is designated by a terminal from which the deletion request has been issued.
Resumen de: WO2025190339A1
Provided in the present invention are a green-label-certified micro-grid operation architecture and a management method therefor. The micro-grid operation architecture is a micro-grid operation platform and system established by integrating a hyperledger blockchain technique with an Internet-of-Things communication architecture. Moreover, the micro-grid operation architecture of the present invention can provide green label certification data, comprising: full-process electric power chain information, such as the availability rate of a power generator, output electric power of the power generator, output electric power of an energy storage battery pack, and a bill (i.e., a smart contract) for each terminal user, and the green label certification data is used as evidence for green label certification.
Resumen de: KR20250137291A
본 발명은 관리 장치에 의해 수행되는, 블록체인 기반의 수목 관리데이터 저장 방법에 관한 것으로서, (a) 복수의 수목에 대한 수목관리 데이터를 수신하는 단계; (b) 수신한 수목관리 데이터를 해시 함수를 사용하여 변환함으로써 암호화하는 단계; (c) 암호화된 수목관리 데이터를 트랜잭션으로 생성하고, 생성된 트랜잭션을 블록체인 네트워크에 블록 형태로 저장하는 단계; 및 (d) 상기 블록체인 네트워크에 저장된 적어도 하나 이상의 블록을 상기 블록체인 네트워크에 포함된 모든 노드에 복제하여 분산 저장하는 단계;를 포함하고, 상기 수목관리 데이터는, 관리자 단말로부터 수집된 관리 대상 수목의 제1 정보, 상기 수목의 주변 환경 정보, 상기 수목의 주변 환경 정보 및 제1 정보를 이용하여 기 설정된 인공지능 모델을 통하여 생성된 상기 수목의 3D 이미지, 제2 정보를 이용하여 디지털 트윈 상의 대응하는 위치에 배치시킨 해당 수목의 건강정보를 포함하는 것인 수목 관리데이터 분산 저장에 관한 기술이다.
Resumen de: US2025292244A1
A method may comprise the sending of an electronic notification to a notification address which is provided as metadata within an unlocking script of an input of a transaction (Tx1) on a blockchain. The unlocking script is provided in order to spend an output from a further transaction (Tx2) on the blockchain. The input of the transaction (Tx1) and/or the output of the further transaction (Tx2) may be associated with a tokenised asset represented on, or referenced via, the blockchain. The notification address may be associated with an asset or resource represented on the blockchain, or a controller of an asset or resource represented on the blockchain. The notification address may be a network address, a cryptographic key, a uniform resource locator (URI), email address or another address or identifier which can be represented in the metadata of a transaction script and used as a destination for an electronic communication.
Resumen de: US2025292324A1
The present invention discloses a blockchain-integrated financial reputation scoring system designed to assess financial credibility within decentralized ecosystems. The system generates a dynamic accountability score based on blockchain transactions, including escrow payments, invoice completions, smart contract interactions, DeFi transactions, NFT trading, and cross-chain financial activities. A risk-adaptive score weighting system dynamically adjusts the impact of financial behaviors based on transaction risk, counterparty trustworthiness, and historical financial patterns. The score is leveraged for tiered access to financial products, lending, and collateral adjustments. AI-enhanced anomaly detection prevents fraudulent score inflation, while privacy-preserving verification ensures secure reputation authentication. The system further extends into insurance underwriting, compliance verification (AML/KYC), and financial access expansion, allowing traditional institutions to assess blockchain-based creditworthiness. Quantum-resistant cryptographic techniques secure reputation data, ensuring trust and adaptability in both decentralized and traditional financial ecosystems.
Resumen de: US2025292321A1
A blockchain-based data asset custody and pledge financing system, including a blockchain subsystem, a data assetization space, and a pledge financing subsystem. The system performs data assetization and data asset custody through the blockchain subsystem and the data assetization space, and then carries out data asset pledge financing through the blockchain subsystem and the pledge financing subsystem. Through full-process intelligent contract permission control and scheduling for data asset assetization, full-process measurable and traceable custody for data asset assetization, and full-link reliable evaluation and credit assessment for data asset pledge, the system ensures security control, authenticity, measurability, traceability, and oversight of data assets. This facilitates secure and efficient pledge financing of data assets, significantly reduces operating costs, meets customers' needs for efficient capital turnover, and provides effective financing services for core data enterprises.
Resumen de: EP4617975A1
Method of tracking (M1) metal components (10) of scaffolding (1) used on the construction site (150) and/or in storage at distribution and rental points (160), comprising the following steps: arranging (F1) at least a plurality of metal components (10) for scaffolding (1); fixing (F2) to each metal component (10) at least one identifier element (20) configured to be associated with one or more information data relating to the respective metal component (10), wherein the identifier element (20) has at least one univocal identifying information (A) configured to also univocally identify the respective metal component (10) to which it is fixed; creating (F3) an univocal digital twin (60) relating to each metal component (10) in a digital environment (B) that includes a computer network based on a blockchain technology or platform, wherein the digital twins (60) are univocally created (F3) by a simultaneous and massive operation of detecting the identification information (A) present in the identifier element (20) of each metal component (10), wherein the creation step (F3) of each digital twin (60) includes, or is followed by a creation operation (F3.4), for each digital twin (60), of a permanent register (R) of events (E), which is non-removable and non-erasable, wherein each event (E) identifies a certain status condition of the respective metal component (10) and is entered into the respective permanent register (R) of events (E), wherein each entered event (E) is non-removab
Resumen de: EP4617974A1
Method of manufacturing and storing (M1) metal components of scaffolding (1), comprising the following steps: manufacturing (F1) and arranging (F2) at least one plurality of metal components (10) for scaffolding (1); fixing (F3) to each metal component (10) of the corresponding plurality of components at least one identifier element (20) configured to be associated with one or more information data relating to the respective metal component (10), the at least one identifier element (20) presenting at least one univocal identifying information (A) configured to also univocally identify the corresponding metal component (10) on which it is fixed; creating (F4) a univocal digital twin (60) of each metal component (10) of the corresponding plurality of components, in a corresponding digital environment (B) where the digital environment (B) includes a computer network based on a blockchain technology or platform, the digital twins (60) being univocally created (F4) through a simultaneous and massive operation of detecting the identifying information (A) present in the at least one identifier element (20) of each metal component (10) manufactured and arranged, the creation step (F4) of each digital twin (60) comprising, or being followed by a creation operation (F4.4), for each digital twin (60), of a permanent register (R) of events (E), non-removable and non-erasable, in which each event (E) identifies a certain status condition of the respective metal component (10) and is enter
Resumen de: EP4618474A1
Provided in the present application are a cross-blockchain transaction processing method, a related device, a storage medium and a product. The cross-blockchain transaction processing method comprises: acquiring from a source blockchain network a cross-blockchain transaction processing request by means of a first interface node, and distributing the cross-blockchain transaction processing request to a first number of repeaters; by means of the repeaters, performing first verification on the cross-blockchain transaction processing request and signing same to generate sub-signatures; by means of a signature aggregation node, after a second number of sub-signatures are received, generating a first signature of a relay system, and sending the cross-blockchain transaction processing request and the first signature to a target blockchain network, such that the target blockchain network performs second verification on the first signature and processes the cross-blockchain transaction processing request, wherein the second number is smaller than the first number. The embodiments of the present application can be applied to various scenarios such as blockchains, virtual digital assets, and security technology. The embodiments of the present application can reduce resource consumption while cross-blockchain security is achieved.
Resumen de: EP4617978A1
There is provided a computer-implemented method of maintaining, by a first party, a title registry database for recording transfers of tokens issued by an issuer. Each token is associated with a quantity of cryptocurrency. The method comprises monitoring a blockchain for blockchain transactions comprising transfers of tokens issued by the issuer; and, responsive to determining a first blockchain transaction comprising a transfer of a token issued by the issuer recorded in the blockchain, recording the transfer of the token in the title registry database.
Resumen de: CN120283379A
A computer-implemented method of generating a challenge blockchain transaction, where the challenge blockchain transaction is associated with a puzzle and an attestation criterion, where the puzzle is satisfied by a puzzle solution, and where the attestation criterion is satisfied by an attestation, the method comprising: generating a first locking script of the challenge blockchain transaction, when executed together with a first unlocking script of a deblockchain transaction comprising a candidate puzzle solution, a public key, a candidate attestation, and a signature generated for the deblockchain transaction, the first locking script is configured to: verify whether the candidate puzzle solution satisfies the puzzle; verifying whether the signature is valid for the public key; and verifying whether the candidate proof meets the proof criteria, where the proof criteria require that the candidate proof is derived from the candidate puzzle solution and the public key; and providing the challenge block chain transaction to one or more nodes of a block chain network.
Resumen de: KR20250136783A
블록체인에 기반하여 디지털 치료제의 라이선스를 관리하는 디지털 치료제 관리 서버가 개시된다. 디지털 치료제 관리 서버는 디지털 치료제와 연동된 의료 플랫폼 운영 서버로부터 처방 정보를 수신하고, 처방 정보를 저장하도록 구성되는 처방 정보 관리부, 상기 처방 정보에 기초하여, 처방 대상의 디지털 치료제 및 상기 디지털 치료제의 이용 허락 범위에 대한 정보를 포함하는 라이선스 정보를 생성하고, 생성된 라이선스 정보를 블록체인에 기록하도록 구성되는 라이선스 관리부 및 환자 단말기로부터 전송된 라이선스 정보를 검증하고, 검증 결과에 따라 상기 라이선스 정보에 대응하는 디지털 치료제를 상기 환자 단말기로 제공하도록 구성되는 라이선스 검증부를 포함한다.
Resumen de: KR20250136782A
블록체인에 기반하여 디지털 치료제의 라이선스를 관리하는 디지털 치료제 관리 서버가 개시된다. 디지털 치료제 관리 서버는 디지털 치료제와 연동된 의료 플랫폼 운영 서버로부터 처방 정보를 수신하고, 처방 정보를 저장하도록 구성되는 처방 정보 관리부, 상기 처방 정보에 기초하여, 처방 대상의 디지털 치료제 및 상기 디지털 치료제의 이용 허락 범위에 대한 정보를 포함하는 라이선스 정보를 생성하고, 생성된 라이선스 정보를 블록체인에 기록하도록 구성되는 라이선스 관리부 및 환자 단말기로부터 전송된 라이선스 정보를 검증하고, 검증 결과에 따라 상기 라이선스 정보에 대응하는 디지털 치료제를 상기 환자 단말기로 제공하도록 구성되는 라이선스 검증부를 포함한다.
Resumen de: KR20250136661A
본 발명의 일 태양에 따르면, 블록체인 네트워크상에서 인증서를 이용하여 지갑 사용을 관리하기 위한 방법으로서, 사용자로부터 인증서를 이용한 제1 지갑에 대한 사용 요청을 수신하는 단계, 상기 인증서의 확장 필드에 저장된 값을 이용하여 제2 지갑을 특정하는 단계, 및 상기 사용자를 상기 제2 지갑에 대한 사용 권한을 가지는 자로 결정하는 단계를 포함하는 방법이 제공된다.
Resumen de: KR20250135550A
본 발명은 트랜잭션의 유효 처리량을 늘리기 위한 블록체인 네트워크에서의 노드 장치 및 이의 동작 방법에 관한 것이다. 본 발명의 일실시예에 의한 블록체인 네트워크에서 노드 장치의 동작 방법은 블록체인 네트워크에서의 트랜잭션 처리를 위한 노드 장치의 동작 방법에 있어서, 현재 타임스텝에서 소정 개수의 과거 타임스텝(timestep)에 대한 평균 트랜잭션 양 및 트랜잭션 지연 시간 정보를 획득하는 동작; 및 상기 획득된 평균 트랜잭션 양 및 트랜잭션의 지연 시간 정보를 이용하여 상기 현재 타임스텝에서의 트랜잭션 생성 여부를 결정하는 동작을 포함할 수 있다.
Resumen de: KR20250135555A
본 발명은 목표 지연시간 이내에 무인기를 통해 수집된 데이터를 블록체인 네트워크에 전송하여 트랜잭션을 업데이트 하는 확률을 최대화할 수 있는 블록체인 네트워크와 연결된 무인기의 배치위치 결정 방법 및 장치에 관한 것이다. 본 발명의 일실시예에 의한 블록체인 네트워크와 연결된 무인기의 배치위치 결정 방법은 블록체인 네트워크와 연결된 무인기의 배치위치를 결정하는 방법에 있어서, 통신 지연 시간, 전송 시간 및 블록체인 지연 시간의 합이 설정된 목표 시간(Tth)보다 작은 값을 갖는 트랜잭션의 업데이트 확률을 산출하는 단계- 상기 트랜잭션은 상기 무인기가 수집한 데이터를 통해 생성되고, 상기 통신 지연 시간은 상기 무인기와 기지국이 연결된 무인기 네트워크에서의 상기 무인기가 상기 기지국으로 데이터를 전송하는 시간을 의미하고, 상기 전송 시간은 상기 기지국에서 상기 블록체인 네트워크로 상기 수신한 데이터를 전송하는 시간을 의미하고, 상기 블록체인 지연 시간은 상기 기지국으로부터 수신한 데이터를 통해 생성된 트랜잭션이 상기 블록체인 네트워크에서 업데이트 되는 시간을 의미함-; 및 상기 트랜잭션의 업데이트 확률이 최대값을 갖도록 상기 무인기의 배치위치를 결정하는 단계를 포�
Nº publicación: WO2025186987A1 12/09/2025
Solicitante:
NTT INC [JP]
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Resumen de: WO2025186987A1
Provided is a transfer system or the like for realizing data transfer between blockchains without holding a write client. A terminal device of a representative includes: an inter-blockchain communication unit that transmits transfer data generated by a host blockchain to a transfer-destination blockchain, receives transfer data addressed to the host blockchain generated by the other blockchain, generates a signature request slip indicating the state of the transfer data on the basis of the transfer data generated by the host blockchain, receives a signature request slip generated by the other blockchain, and generates a signature using a signature key for information generated on the basis of all the signature request slips; and a hash chain storage unit in which all the signature request slips and a set of a plurality of signatures generated by terminal devices of a plurality of representatives are stored as blocks of a hash chain. The hash chain is disclosed to participants of the host blockchain and participants of the other blockchain.
BOPI
Sede Electrónica
