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144
resultados
Última actualización
29/11/2025 [07:46:00]
Resumen de: US2025365275A1
A system for identity authentication on blockchain using NFTs includes a user interface, an identity NFT minting module, and a verifiable credential issuer module. The user interface allows a user to link a blockchain wallet and a credential wallet to the user interface and to provide an online service ID and requests the user to create signatures using a blockchain wallet private key and a credential wallet signing key. The identity NFT minting module verifies the online service ID and verifies the two signatures using the blockchain wallet address and the DID. The identity NFT minting module mints an identity NFT on a blockchain network, preserving the online service ID, the blockchain wallet address, and the DID in the identity NFT as metadata. The verifiable credential issuer module issues a verifiable credential to the user and triggers the identity NFT minting module for adding credential metadata to the identity NFT.
Resumen de: US2025365161A1
Methods, systems, and apparatus, including medium-encoded computer program products, for secure storage and retrieval of information, such as private keys, useable to control access to a blockchain, include, in at least one aspect, a method including: receiving a request to take an action with respect to a vault of multiple different vaults in a cryptoasset custodial system; authenticating, by an HSM, the policy map for the vault based on a cryptographic key controlled by the HSM; checking, by the HSM, the action against the policy map for the vault when the policy map for the vault is authenticated based on the cryptographic key controlled by the HSM; and effecting, by the HSM, the action when the action is confirmed to be in accordance with the policy map for the vault.
Resumen de: US2025365274A1
Computer-implemented methods and systems are provided for blockchain-mediated user authentication. Consistent with disclosed embodiments, authentication may comprise operations including receiving, from a user system, an authentication request for a user. The operations may also include determining a root system for the user using a blockchain, and redirecting the user system to the root system. The operations may include receiving, following redirection, a verification message indicating that the root system successfully authenticated the user, and including an authorization code for receiving, from the root system, a root system secret. The operations may include receiving from a database, identification data using the root system secret. Determining the root system may comprise identifying, using the authentication request and index information stored in the blockchain, a block of the blockchain storing root system information for the user. Receiving the identification data may comprise retrieving identification data from the database.
Resumen de: US2025363485A1
Systems, apparatuses, methods, and computer program products are disclosed for tracking NFT-backed instruments. An example method includes identifying a plurality of NFTs on a distributed blockchain ledger, associating an instrument with the cryptographic NFTs, determining a value of the cryptographic NFTs based on transactions on the distributed blockchain ledger that are associated with one or more of the cryptographic NFTs, monitoring the distributed blockchain ledger to detect transaction data of a block of the distributed blockchain ledger, the transaction data indicative of a transaction associated with a first cryptographic NFT of the cryptographic NFTs, determining a modified value of the cryptographic NFTs responsive to the transaction data, and terminating the instrument associated with the cryptographic NFTs in response to a comparison of the modified value to a predetermined threshold value indicating that the modified value is less than the predetermined threshold value.
Resumen de: US2025363470A1
A blockchain-based transaction management method includes obtaining transaction data, generating a Merkle management tree based at least on the transaction data, invoking a privacy contract based on privacy transaction data in the transaction data, verifying a data execution state of the privacy transaction data through the privacy contract, generating a transaction block based on the Merkle management tree and the transaction data, and performing on-chain processing on the transaction block.
Resumen de: US2025363482A1
Certain aspects of the present disclosure provide techniques for generating digital tokens associated with an asset on a blockchain. An example method generally includes receiving a request to create a digital token corresponding to an asset. A first private key is received. This first private key may be associated with a wallet in which the digital token is to be stored. A second private key is received from a physical device associated with an owner of the asset. An address of the asset is encrypted with a public key associated with the second private key. Metadata associated with the digital token is encrypted with a public key associated with the first private key. The digital token is minted on a blockchain based on the encrypted address of the asset and the encrypted metadata.
Resumen de: US2025363479A1
A method for minting Non-Fungible Tokens from a captured transactional QR code generator at a point of purchase for payment receipts within a timed allotment is disclosed. The generator provides an on-the-fly transactional QR code that contains details pertaining to a specific transaction at point of purchase. The QR code is accessible to the buyer to scan with their mobile device within a predetermined time period. The buyer's mobile device decodes the QR code to retrieve an embedded tokenized URL within a predetermined time period. The buyer's mobile device connects to the tokenized URL string and mints the receipt into an NFT that is stored on a blockchain ledger. This allows the user to access a digital form of the receipt and store the receipt for later review or retrieval.
Resumen de: US2025363483A1
Described herein is technology for providing the secure transfer of assets between blockchain networks. A secure-execution server can be configured to execute a bridge program in a secure execution environment to interact with a first pool of warden servers to facilitate secure transfer of assets between a first blockchain network and a second blockchain network. The bridge program may include instructions that, when executed by the secure execution environment, cause the secure-execution server to perform operations that may include performing lock operations that lock first assets from a contractless blockchain network and mint second assets representing the first assets in a contracting blockchain network, where the contracting blockchain network supports smart-contracts that are unsupported on the contractless blockchain network; and performing unlock operations that unlock the first assets by transferring the first assets in the first blockchain network in response to the second assets being returned or destroyed.
Resumen de: US2025363489A1
A method for auditable off-chain transaction in block-chain network includes: defining counterparties, auditors and their responsibilities; creating an off-chain payment channel between the counterparties and initializing the off-chain payment channel by both of the counterparties; updating channel status during each transaction process; and initiating an audit process to verify an integrity of a history of the off-chain transaction after the off-chain payment channel is closed; wherein a hash chain linking current and previous transactions of the off-chain payment channel in a chronological order is established during the transaction processes, and an Accountable Assertions with Flexible Public Key (AAFPK) mechanism is used to bind fund and commitment information generated by counterparties to a flexible public key through assertions, the hash chain is submitted to auditors for verifying when off-chain payment channel is closed, and AAFPK mechanism binds inconsistencies or differences of the off-chain transaction to a responsible party.
Resumen de: US2025363493A1
A blockchain system for containing authority within a distributed consensual system includes a blockchain network of participating user devices. A participating user device, having a memory and a processor, is configured to create an account linking blockchain transaction to link a developer account with an external authority account of a user of the device. The user device is further configured to publish a recipe associated with the user's developer account, receive, from an external authority, a receipt indicating purchase of the recipe by another user connected to the distributed consensual system, create a recipe blockchain transaction including data identifying the recipe and the receipt, and broadcast the recipe blockchain transaction on the blockchain network. Upon validation, the user receives payment via one or more additional blockchain transactions.
Resumen de: US2025363486A1
Systems and methods for secure multiparty computation (MPC) over blockchain that packs messages into blockchain transactions are provided. MPC can be over Algorand blockchain that packs messages into Algorand transactions and utilizes its fast gossip protocol to transmit them efficiently among MPC parties (e.g., MPC nodes). The messages can be appended to a note field in the respective Algorand transactions.
Resumen de: US2025363504A1
A blockchain-based blind box management method includes: receiving blind box generation information and corresponding item configuration information; verifying the blind box generation information and the item configuration information, and generating a block based on the blind box generation information and the item configuration information and storing the generated block in a blockchain in response to that the blind box generation information is determined to match the item configuration information; receiving blind box obtaining information; performing a verification of the blind box obtaining information based on the blind box generation information and blind box delivery information; and generating a block based on the blind box obtaining information and storing the generated block in the blockchain in response to that the verification of the blind box obtaining information succeeds.
Resumen de: US2025363505A1
A system and method are provided for implementing an autonomous, biometric and artificial intelligent transfer agent to prevent unauthorized or fraudulent real property transfers by verifying informed consent using multi-factor biometrics and cryptographically enforced compliance on a blockchain. In an exemplary embodiment, an automated enforcement agent captures a property owner's biometric identifiers to authenticate the owner's identity and uses artificial intelligence to detect signs of duress or anomaly in the transaction. Upon confirming the owner's consent and verifying the authenticity of the transaction, the automated enforcement agent generates a digitally signed certificate of compliance, which is then recorded on a blockchain distributed ledger in association with the property's title.
Resumen de: US2025363247A1
A server for providing a contract support service communicates with a plurality of contractor terminals, the InterPlanetary File System (IPFS) and a blockchain network, and manages member information for the plurality of contractor terminals. The contract support service provision server acquires audio/video contents including audio/video files in which contract-related audio/video data are stored and metadata for audio/video, in response to a request for contract support from one contractor terminal of the plurality of contractor terminals, generates contract document information corresponding to the contract-related audio/video data, generates a provisional contract content including the generated contract document information and audio/video contents, generates first link information adapted to provide access to the generated provisional contract content and second link information adapted to provide connection with a web page to receive electronic signatures of the plurality of contractor terminals as an input, and transmits the generated first link information and second link information to the plurality of contractor terminals included in the request for contract support. In addition, when a plurality of electronic signatures are input for each contracting party from the plurality of contractor terminals that have confirmed the provisional contract content, contract support service provision server generates audio/video watermarks for the contract content including the
Resumen de: WO2025241256A1
Disclosed in the present invention are a blockchain-based regulation and governance method, system and apparatus based on group attribute-based encryption. The method comprises: generating a regulation and governance group public key, generating private keys of objects under regulation, and forming a regulation key for a regulator; on the basis of a smart contract, selecting whether to configure an access structure for the related information, and uploading the related information to a blockchain; selecting an object under regulation and performing attribute encryption on the related information to generate an attribute key, and allowing access when the regulation key, the attribute key and the access structure are kept consistent; verifying the object under regulation by the regulator and verifying the related information on the blockchain, and performing tracking to obtain a tracking result; on the basis of the tracking result, setting a regulation mark for the object under regulation by the regulator, and uploading the tracking result to the blockchain; and checking the tracking result on the basis of the regulation and governance group public key, and performing a next governance operation on the basis of the regulation mark. The present invention achieves effective regulation on ecological security by regulators.
Resumen de: WO2025241716A1
A multi-energy network double-layer optimization method and system based on privacy-preserving blockchain technology. The method comprises: constructing a microgrid lower-layer optimization model that takes the sum of an electricity purchasing cost and a gas purchasing cost as an optimization objective; collecting information of all microgrids in a cluster, converting an optimization problem of a lower-layer autonomous optimization model, and further establishing a microgrid collaborative optimization upper-layer model; while balancing supply and demand and limiting a transformer capacity within each time period, enabling the microgrids to establish, within remaining time period, an objective function with the objective of minimizing a total cost; and integrating a distributed system manager inside a blockchain system to manage a blockchain network, and finally establishing an interconnected multi-energy microgrid double-layer optimization model based on privacy-preserving blockchain technology. The energy optimization problem is modeled into a double-layer optimization problem based on blockchain technology, so that the decision-making mechanism is simpler, the optimization performance is better, the transaction process is safer, and the transaction cost is lower.
Resumen de: WO2025243070A1
Embodiments of the present invention provide a system for a system for generating, customizing, and managing blockchain-based smart insurance contracts for marine and offshore operations, the system comprises one or more user devices, one or more service provider devices and a computer system hosting a contract generation platform including a processor and a memory unit. The one or more user devices are associated with respective insurers and insured parties involved in marine and offshore operations. It is configured to input data related to specific requirements, preferences, and scenarios for insurance contracts. The one or more service provider devices are associated with respective regulatory and compliance entities. It is configured to provide regulatory requirements and compliance checks for the insurance contracts. The computer system hosting a contract generation platform is connected with the one or more user devices and the one or more service provider devices.
Resumen de: WO2025244404A1
The present invention relates to a method and system for providing a blockchain-based intellectual property transaction, and the method for providing a blockchain-based intellectual property transaction, according to the present invention, comprises: a first step of being provided with, from a user terminal by an intellectual property transaction provision server, information and data of IP possessed by a user; a second step of pre-evaluating, by the intellectual property transaction provision server, whether or not there is a reason for restriction, before going through a detailed examination procedure by using the information and data of the IP; a third step of performing, by the intellectual property transaction provision server, detailed evaluation through qualitative evaluation and quantitative evaluation of the information and data of the IP when it is determined as a result of the pre-evaluation that there is no reason for restriction; a fourth step of determining, by the intellectual property transaction provision server, whether to list or abolish the IP, by using a detailed evaluation item; and a fifth step of issuing, by the intellectual property transaction provision server, a token corresponding to the IP so as to enable a distributed transaction of a value for the IP which has been determined to be listed.
Resumen de: WO2025244476A1
A method for providing proof of driving information of a mobility means on basis of a blockchain, and a system therefor are disclosed. A method for providing proof of driving information of a mobility means on the basis of a blockchain according to an embodiment of the present invention comprises the steps in which: a system receives mobility means information for identifying basic energy consumption of a mobility means used by a driver, and registers same in a blockchain; the system specifies departure information including a departure location and time of the mobility means, and receives a destination location; the system specifies recommended driving information including recommended route information and travel time on the basis of the received destination location, and registers the specified recommended driving information in the blockchain; when the traveling of the mobility means starts, the system specifies checkpoint driving information at at least one checkpoint, and registers same in the blockchain; and when the driving of the mobility means is ended, the system specifies total energy consumption information based on total driving information from the departure to the destination, including the checkpoint operation information and end information including a location and time at which the driving of the means is ended, and registers same in the blockchain.
Resumen de: WO2025244168A1
This contract support service provision server communicates with a plurality of contractor terminals, an interplanetary file system (IPFS) and a blockchain network and manages member information about the plurality of contractor terminals. The contract support service provision server acquires audio/video content including an audio/video file, in which contract-related audio/video data is stored, and audio/video metadata in response to a contract support request from one contractor terminal from among the plurality of contractor terminals, generates contract statement information corresponding to the contract-related audio/video data, generates provisional contract content including the generated contract statement information and the audio/video content, generates first link information providing a connection that enables access to the generated provisional contract content and second link information connecting a web page such that same can receive electronic signatures of the plurality of contractor terminals, and transmits the first link information and the second link information to the plurality of contractor terminals included in the contract support request. In addition, when a plurality of electronic signatures are input for each contractor from the plurality of contractor terminals that have checked the provisional contract content, the contract support service provision server generates an audio/video watermark for contract content including the provisional contrac
Resumen de: WO2025245042A1
An online social wager-based gaming system is disclosed, featuring dynamic cross-provider game filtering and persistent cross-provider voice-interactive group play. The system allows for automated multi-seat group game reservations and incorporates a distributed ledger for bet verification. Features include a Group Connect module for dynamic group formation and live audio across various game providers, enabling real-time play. A Professional Companion Connect module facilitates live webcam or microphone gambling sessions with professional companions, under contractual agreements. The User Games module enhances personalization by integrating user-uploaded images into the gaming environment. A cryptocurrency/blockchain-based bet tracking system ensures transparency and security in managing bet transactions through a controlled digital wallet system. This integrated platform aims to provide a cohesive, interactive, and personalized online casino experience, addressing limitations of traditional solitary online gaming by fostering social connections and enhancing user trust and engagement.
Resumen de: WO2025245456A1
Various aspects of the subject technology relate to systems, methods, and machine-readable media for implementing a compaction-less database structure. Various aspects may include identifying nodes in a most recent revision of a database structure stored on disk corresponding to locations of node changes in a current proposal. Aspects may also include persisting node addresses for nodes that have changed from the most recent revision in the current proposal to a future-delete list (also kept on disk). Aspects may also include writing only the new nodes including a root node to disk. Aspects may also include updating a root address on disk based on the root node. Aspects may also include committing the proposal as a new revision of the database structure.
Resumen de: US2025365169A1
A system described herein may receive a request for a blockchain network to perform a particular set of operations, such as executing chaincode recorded to a blockchain associated with the blockchain network. The system may receive Key Performance Indicators (“KPIs”) of nodes of the blockchain network, and may receive a consensus policy associated with the blockchain network. The consensus policy may indicate a particular quantity of result sets used to verify execution of a given operation by the blockchain network. The system may assign different nodes of the blockchain network to perform different portions of the requested set of operations. The assignments may be determined based on the consensus policy and the KPIs of the nodes. The system may aggregate result sets from different nodes in order to generate aggregated result sets, where the quantity of aggregated result sets satisfies the consensus policy.
Resumen de: US2025365168A1
A system for storing a quantum computer input data or a quantum computer output data, or both in a blockchain. The system includes a network of a plurality of nodes, each node in the plurality of nodes being configured to store a copy of a plurality of blockchains, a first blockchain having a first plurality of blocks and a second blockchain having a second plurality of blocks, a block in the first plurality of blocks includes a quantum computer input data; and a quantum computer in communication with the network of nodes, the quantum computer being configured to receive or retrieve the quantum computer input data from the network of the plurality of nodes and to output the quantum computer output data to the network of nodes and to store the quantum computer output data in a block of the second blockchain within the network of nodes.
Nº publicación: US2025365170A1 27/11/2025
Solicitante:
NCHAIN LICENSING AG [CH]
nChain Licensing AG
Resumen de: US2025365170A1
A method of storing certified data on a blockchain is disclosed. The method comprises generating a first blockchain transaction (Tx1) having a first output (Output 3) containing a first public key of a first private/public key pair, comprising a first private key and a first public key, of a cryptography system, first data related to the first public key, and a first digital signature applied, using a second private key of a second private/public key pair, comprising a second private key and a second public key, of a cryptography system, to the first data and to the first public key. The first blockchain transaction is broadcast to the blockchain.
BOPI
Sede Electrónica
