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105
resultados
Última actualización
07/01/2026 [07:41:00]
Resultados 25 a 50 de 105
Resumen de: WO2025260711A1
A data processing method, comprising: a second client extracts a public key of a second user from an identity certificate of the second user, uses the public key of the second user to hierarchically encrypt data to obtain a ciphertext, and stores the ciphertext and the identity certificate of the second user to a blockchain network; and a first client acquires the ciphertext and the identity certificate of the second user from the blockchain network, and uses a root certificate to verify the legitimacy of the identity certificate of the second user. When the verification is passed, the first client extracts first derived information from an identity certificate of a first user and extracts second derived information from the identity certificate of the second user. The derived information indicates a derivation path of an identity certificate. The first client determines a private key of the second user on the basis of the derived information and a private key of the first user, and on the basis of the private key of the second user, decrypts the ciphertext to obtain the data. In the method, an authentication mechanism of the identity certificate is used for authenticating the public key, thereby resolving an identity trust issue and achieving hierarchical visibility of data.
Resumen de: WO2025263650A1
This electronic device may comprise: a memory for storing instructions; a communication circuit; and at least one processor. The instructions, when executed by the at least one processor, may cause the electronic device to: determine to connect a first block for a transaction to a second block in nodes storing a ledger; request the nodes to connect the first block to the second block; determine, according to an average hash value calculation time of each of the nodes, a first node and a second node as nodes for verifying validity; transmit a request to transmit a first hash value and a request to transmit a second hash value; receive information on the first hash value from the first node and information on the second hash value from the second node; and transmit, to the nodes, a signal indicating that the connection of the first block is maintained, on the basis of the second hash value equal to the first hash value.
Resumen de: WO2025262465A1
ShotAgent is a blockchain-based platform designed to transform video production and digital content distribution by seamlessly connecting clients with freelance videographers worldwide. The platform features a secure coin-based transaction system and an Al-powered recommendation engine that optimizes freelancer-project matching based on detailed criteria and performance metrics. Integrated collaboration tools facilitate efficient project management through secure messaging, task management, file sharing, and AR/VR-enabled virtual meeting spaces, enhancing communication and coordination. ShotAgent' s specialized marketplace for pre-made video shots allows freelancers to monetize existing content while providing clients with a diverse range of creative assets. Secure smart contracts and blockchain-backed content authentication ensure data integrity and protect intellectual property rights. Additionally, the platform incorporates NFT -based rights management, dynamic content access controls, and advanced analytics for performance tracking. With flexible payment options, multi-language support, and global accessibility, ShotAgent offers a secure, efficient, and collaborative environment for video content creation and distribution across various industries.
Resumen de: WO2025262974A1
A quantum hash value generation system (1) comprises: a quantum state generator (2) configured to generate an input quantum state on the basis of input data composed of input bit strings including a plurality of input bits; a quantum device (4) configured to convert the input quantum state to an output quantum state; a quantum measurement device (5) configured to measure the output quantum state to acquire measured values of the output quantum state; a measured value analysis unit (320) configured to calculate a statistical index values for each of the measured values on the basis of the probability distribution of each measured value; and a quantum hash value generation unit (340) configured to generate a quantum hash value of the input data on the basis of the statistical index value for each of the measured values.
Resumen de: US2025390937A1
A token system and method, employing a token representing an interest in a smart contract, comprising: a distributed ledger, storing parameters of a smart contract, the smart contract representing an agreement, secured by a security interest in property, to execute the security interest unless a token is returned within a period; a communication port configured to interface with an automated communication network for communications between a plurality of cryptographic hardware processors; and an automated distributed virtual state machine, hosted by the plurality of cryptographic hardware processors, employing a distributed consensus model for transaction validation, the automated distributed virtual state machine being configured to: communicate distributed consensus messages through the automated communication network; communicate the token; execute the smart contract defined by the parameters, receiving inputs and producing outputs on a blockchain; and communicate an immutable message for exercise of the security interest.
Resumen de: US2025387715A1
A device and method are provided for improving interactions between video games and blockchain wallets by establishing a connection between an external blockchain wallet and a video game client and by displaying an overlay on the video game client. A locally hosted server is exposed to the video game client and processes requests between the video game client and the external blockchain wallet. The local server also outputs data that is displayed in an overlay window.
Resumen de: US2025391219A1
The Decentralized Stakeholder Voting Layer enables trust-weighted blockchain voting by aggregating stakeholder metrics, weighting votes based on trust and alignment using dynamic machine learning, processing decentralized ballots with fraud detection, tallying results transparently, and delivering governance decisions securely. The system comprises a metric aggregator for data ingestion, a trust weighting engine for vote adjustment with feedback, a voting processor for ballot handling, a tally module for result compilation, and an output layer for secure delivery. The method aggregates metrics, weights votes, processes ballots, tallies results, and outputs decisions for applications like decentralized governance and organizational decision-making. By integrating trust metrics, ensuring GDPR compliance, providing immutable auditing, and optimizing consensus efficiency, this invention reduces manipulation risks, enhances transparency, and supports interoperable governance in distributed networks.
Resumen de: US2025390805A1
Implementations of various methods and systems of a network, GPS system, mobile computing devices, servers, forward commodity exchanges, grouping software for hubs, transparent open access pricing systems, blockchain audit and safety methods and systems, virtual hub systems, algorithm methods for no arbitrage conditions in a simple easy to use graphical user interface format for mobile or virtual computing over various mediums which are connected via a network to transact and trade transportation seats or capacity units in airline transport, subway transport, train transport, automobile transport, autonomous vehicle transport, taxi transport, space transport, virtual transport, underground transport, ship or sea transport, public transport, private transport or drone transport on a computer, mobile computer device, virtual reality computer device or mixed reality computing device.
Resumen de: US2025390802A1
Implementations of various methods and systems of a network, GPS system, mobile computing devices, servers, transportation unit data transformations, forward commodity market servers, grouping instructions for virtual hubs, transparent open access pricing systems, blockchain audit and safety instructions, virtual hub instructions, banking and credit account instructions, priced based GPS map routing algorithms in a simple easy to use graphical user interface format for mobile, audio interface or virtual interface computing over various mediums which are connected via a network to transact and trade transportation seats or capacity units in airline transport, subway transport, train transport, automobile transport, autonomous vehicle transport, taxi transport, space transport, package freight transport, tractor trailer freight transport, cargo freight transport, container freight transport, virtual transport, underground transport, ship or sea transport, public transport, private transport or drone transport on a computer, mobile computer device, audio computer device, virtual reality computer device or mixed reality computing device.
Resumen de: US2025390951A1
Disclosed herein are methods and systems to facilitate a blockchain-backed peer-to-peer transaction without requiring the recipient's personally identifiable information and without updating the recipient's blockchain. A central server may receive a transaction request from a sender and may identify a system blockchain associated with the sender. When the server determines that the sender's accounts can satisfy the request, the server generates a unique transaction token. The server then transmits the unique transaction token to the sender, recipient (if indicated within the sender's request), and one or more electronic terminals. When the server receives an indication that the recipient has inputted the unique transaction token to the electronic terminal, the server appends a block instance corresponding to the transaction to the system blockchain.
Resumen de: US2025390939A1
Systems and methods for managing media, such as digital content, using blockchain technology are described. For example, the systems and methods can facilitate the storage of documents, such as legal documents, along with associated tokens (e.g., non-fungible tokens or NFTs) to a blockchain or similar platform, such as the Ethereum decentralized platform. Further, the systems and methods access digital wallet information or contents and provide digital content to users, such as during auctions or within online marketplaces, when the digital wallet information indicates certain contents or tokens.
Resumen de: US2025390861A1
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.
Resumen de: US2025390863A1
A method for enabling real-time authorization of a transaction with pooled equity includes: receiving a transaction request message, the transaction request message including at least a public key of a cryptographic key pair and a transacting currency amount; verifying a balance of a cryptographic currency for a first blockchain wallet associated with the cryptographic key pair on a blockchain using at least the public key, where at least a portion of the balance is locked in a currency pool; generating a smart contract, the smart contract configured to initiate a first blockchain transaction on the blockchain for transfer of the transacting currency amount from a second blockchain wallet to a destination address, where the second blockchain wallet is different from the first blockchain wallet; and transmitting the generated smart contract to a node in a blockchain network associated with the blockchain for publishing to the blockchain.
Resumen de: US2025390818A1
A method for coordinating access to distributed resources within a networked resource management system includes a communication engine that receives, from a user device, a request including parameters such as budget and time period for desired resources. Based on the request, the system identifies available provider systems from a resource database, each associated with resources, price, and quality. The engine generates a prioritized list of provider systems according to price and quality, and receives a user selection of a subset of providers. A project planning generator then produces a project plan specifying the selected providers and usage period. Confirmation instructions are transmitted to the provider systems to initiate remote sessions, and the communication engine establishes time-limited connections enabling the user to access the corresponding resources. Each connection is recorded as a block on a blockchain-based protocol, including a cryptographic hash, timestamp, and transaction data, ensuring secure, verifiable resource coordination.
Resumen de: US2025390469A1
A transaction transmitted by a user node in a blockchain network and transaction verification information corresponding to the to-be-verified transaction are acquired. The transaction verification information includes a state read set, a state write set, an initial transaction execution result, and a block identifier of a target block. A first block header of the target block includes the block identifier. A second block header is determined from a block header chain of a light node in the blockchain network. The state read set and the state write set are checked based on a first state snapshot in the second block header. The transaction service is executed to obtain a target transaction execution result corresponding to the transaction service and to-be-written state data. Legitimacy of the to-be-verified transaction is checked based on the initial transaction execution result, the target transaction execution result, the state write set, and the to-be-written state data.
Resumen de: US2025390866A1
The present disclosure provides techniques for efficient blockchain transaction processing. In one embodiment, a computer system broadcasts a first transaction to a blockchain network for addition to a block in a blockchain. The computer system may broadcast a second transaction to the blockchain network for addition to the block in the blockchain, where the second transaction descends from the first transaction and includes a placeholder fee. The computer system monitors and determines that the first transaction has not been confirmed to the block in the blockchain for a duration of time (e.g., stuck in the mempool). In response to determining that the first transaction is stuck, the computer system may transmit a request to replace the placeholder fee with a transaction fee that is sufficiently high to cause the first transaction and the second transaction to be confirmed to a block in the blockchain, thereby unsticking the first transaction.
Resumen de: US2025392477A1
A data processing method performed on a verification node and including obtaining task event information and a signature for the task event information from a scheduling node. The task event information includes a first computing node set participating in execution of a computing task and a random seed provided by a task submission end of the computing task. The method further includes performing verification on the signature, deriving a random number set based on the random seed in response to the verification of the signature succeeds, selecting, for the computing task, a second computing node set associated with the random number set, verifying validity of the first computing node set by using the second computing node set, to obtain a verification result, and adding a block including the verification result to a blockchain of a verification node cluster including the verification node.
Resumen de: US2025392474A1
The present embodiment discloses a novel process and system for storing versioned data on the Bitcoin blockchain network. This process involves generating derived public keys linked to specific versions and data parts using a key tweaking method, and storing each data part on the blockchain using its associated derived public key. Information about versions and parts are stored in root transactions. An API is provided for managing the stored data, with options for encryption, checksums, data anchoring, timestamping, segmentation, and digital signatures. AIDIOS, a data protocol designed for direct storage and retrieval on the Bitcoin blockchain, is also included. This system allows for significant amounts of data to be stored directly on the blockchain.
Resumen de: US2025392445A1
Features for providing a secure method of symmetric encryption for private smart contacts among multiple parties in a private peer-to-peer network. The features include a master key representing a unique blockchain ledger. The master key may be shared among multiple participants in a private peer-to-peer network. Sharing of the master key may include communicating the master key in an encrypted message (e.g., email) using public key infrastructure (PKI). In some implementations, more complex distribution features may be includes such as quantum entanglement. The features support instantiation of a smart contract using a specific master key. The request may be submitted as an entry to the ledger with appropriate metadata and/or payload information for identifying and processing the request.
Resumen de: US2025392483A1
Systems and techniques to protect against abuses in the transfer and maintenance of tokens within NFT platforms are illustrated. One embodiment includes a method to facilitate filtration in blockchains. The method recovers, from a list of prospective entries to be appended to a primary blockchain, a reference to a blockchain entry. The method obtains a certainty level associated with the blockchain entry. The method assesses a classification of the blockchain entry based on the associated certainty level. The method determines whether to record the blockchain entry on the primary blockchain based on the classification.
Resumen de: US2025392484A1
An information processing system includes a server, plural block chain nodes, and plural terminals. Each of the plural block chain nodes reads from a block chain each first transaction data that is past transaction data linked to a second transaction data broadcast by the server. Each of the plural block chain nodes verifies whether or not a generation target item of the second transaction data is configured by a raw material contained in a generation source item of the first transaction data based on a relationship between a commitment value of the generation target item contained in the second transaction data and a commitment value of the generation source item contained in the first transaction data.
Resumen de: US2025392486A1
Described is blockchain system transaction proposal applied to any target consensus node that has blockchain system transaction proposal permission. The blockchain system includes a plurality of consensus nodes that have transaction proposal permission. Local transaction pools of the consensus nodes include duplicate transactions. A digest value of a transaction maintained in a local transaction pool is calculated. An arithmetic operation is performed on the digest value and a predetermined value. Based on an operation result of the arithmetic operation, determining whether the target consensus node has transaction proposal permission for the transaction. If the target consensus node has transaction proposal permission for the transaction, the transaction is added to a pending-consensus transaction set proposed by the target consensus node for a pending-consensus target block.
Resumen de: US2025391520A1
Systems and methods herein introduce a blockchain-based system for managing electronic medical records (EMRs) with a focus on enhancing security, interoperability, and patient-centric control. Employing advanced encryption techniques, smart contracts, and a tailored consensus mechanism, the system ensures the integrity, privacy, and efficient exchange of medical data. Patients are empowered with granular control over data access and usage, while interoperability is achieved through standardized data formats and communication protocols. Addressing critical shortcomings of traditional EMR systems, the invention provides a tamper-evident audit trail for transparency and accountability within the healthcare ecosystem.
Resumen de: EP4667076A1
A device and method are provided for improving interactions between video games and blockchain wallets by establishing a connection between an external blockchain wallet and a video game client and by displaying an overlay on the video game client. A locally hosted server is exposed to the video game client and processes requests between the video game client and the external blockchain wallet. The local server also outputs data that is displayed in an overlay window.
Nº publicación: EP4668672A1 24/12/2025
Solicitante:
SIEMENS AG [DE]
Siemens Aktiengesellschaft
Resumen de: EP4668672A1
The invention relates to a computer-implemented method performed by a trust verification module (30) in a data space. The method comprises receiving (110), from a first participant (10), a registration request for registration to the data space; transmitting (120), to the first participant (10), a certificate request for requesting transmission of an identity certificate; receiving (130), from the first participant (10), the identity certificate; verifying (140), by utilizing a blockchain, whether the received identity certificate is valid; transmitting (150), to the first participant (10), a token for enabling data transfer between the first participant (10) and a second participant (20) if the identity certificate is valid.
BOPI
Sede Electrónica
