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120
results.
Updated on
06/08/2025 [07:23:00]
Results 50 to 75 of 120
Absstract of: US2025232025A1
The disclosed technology teaches a method for revocation of user credentials for controlling user access to a private permissioned blockchain data structure or decentralized personal ledger, comprising an administrative logic configured to de-configure user private keys from keystores of respective users. The administrative logic further comprises a revocation logic configured to receive a unique identifier linked to a keystore of a particular user in response to the keystore, and the revocation logic is further configured to revoke access of the keystore based on the unique identifier.
Absstract of: US2025233743A1
The present disclosure relates to a blockchain-based authentication system for electric vehicles and drones, and a method for authenticating electric vehicles or drones in a smart city. The proposed blockchain-based authentication system enhances security, privacy, and scalability for electric vehicles (EVs) and drones in smart city environments. It employs a consortium blockchain managed by city authorities and stakeholders, utilizing smart contracts for identity registration, credential issuance, and access control. Device nodes store cryptographic keys securely, while an optional authentication server facilitates off-chain integration. The authentication operation of the system includes, ensuring tamper-proof identity verification through on-chain validation. Authentication attempts are immutably recorded for auditing and anomaly detection. By eliminating single points of failure and strengthening data privacy, this decentralized authentication framework offers a scalable and secure solution for integrating EVs and drones into smart city infrastructures.
Absstract of: US2025233747A1
A system and method are provided for issuing vehicle titles in a manner that guards against title washing using a permissioned blockchain network. Upon receiving a title issuance request, a global asset registry ledger is queried to retrieve historical vehicle data, including prior branding, liens, and registration events. A predictive validation index (PVI) is computed to assess the risk of title fraud. Based on the PVI, a proof of attestation policy is dynamically enforced via a smart contract that requires cryptographic endorsements from certified peer nodes. When sufficient attestations are received, the smart contract commits a new title issuance transaction to the blockchain and generates a digital title token linked to the vehicle identification number. The system maintains immutable audit records and supports real-time notifications, jurisdiction-specific policies, and secure integration with external systems such as dealerships and title authorities.
Absstract of: US2025233729A1
In one example aspect, a first content item is received. First metadata from the first content item; detecting a match between the first metadata and at least one predetermined metadata element in a knowledge repository pertaining to a target blockchain context; determining a first blockchain wallet address associated with the first content item; locating a second content item based on the first blockchain wallet address; extracting second metadata from the second content item; and updating the knowledge repository based on the second metadata extracted from the second content item.
Absstract of: US2025233859A1
Techniques for controlling access to segmented data of a plurality of users that is requested by at least one data consumer device. In response to conditions specified in communications between at least one data aggregator system and the at least one data consumer device, information of a number of users meeting specified search criteria are shared (e.g., for a limited time). Use of the data in violation of the specified conditions may trigger penalties under a smart contract on a distributed ledger or blockchain.
Absstract of: US2025233851A1
A processor receives a request to receive a transfer of a first amount of data objects into a first data file from a second data file. In response, the processor generates and transmits to the second data file a plurality of digital tokens amounting in value to the first amount of data object. The processor further transmits information associated with the first plurality of digital tokens. The processor receives the plurality of digital tokens and the first amount of data objects at the first data file from the second data file. In response, the processor determines that the requested data transfer has been completed.
Absstract of: US2025233727A1
A system includes a plurality of first building components, a private local blockchain, a second building component, and a client device. The private local blockchain includes a device ledger indicating each first building component, a transaction ledger maintaining a plurality of blocks corresponding to a transaction between at least two first building components and including at least one first unique identifier of the corresponding first building component and a timestamp of the transaction, a transaction processor that generates at least one block by executing a predetermined hash function using a previous block, and a local rule engine defining rules to evaluate a transaction. The second building component has at least one second unique identifier. The client device provides the at least one second unique identifier to the private local blockchain. The private local blockchain determines whether to add the second building component to the device ledger.
Absstract of: AU2025204931A1
GENERATING DIGITAL MEDIA BASED ON BLOCKCHAIN DATA Abstract A computing system, comprising memory storing instructions that, when executed by one or more processors, cause the computing system to receive, via a network interface, first data comprising one or more input parameters and generate, based on the received first data, synthetic content via one or more machine learning models. The system stores, via a blockchain-based distributed ledger, second data associated with the generation of the synthetic content via the one or more machine learning models; and transmits the generated synthetic content for output to a network device. GENERATING DIGITAL MEDIA BASED ON BLOCKCHAIN DATA Abstract A computing system, comprising memory storing instructions that, when executed by one or more processors, cause the computing system to receive, via a network interface, first data comprising one or more input parameters and generate, based on the received first data, synthetic content via one or more machine learning models. The system stores, via a blockchain-based distributed ledger, second data associated with the generation of the synthetic content via the one or more machine learning models; and transmits the generated synthetic content for output to a network device. un u n b s t r a c t c o m p u t i n g s y s t e m , c o m p r i s i n g m e m o r y s t o r i n g i n s t r u c t i o n s t h a t , w h e n e x e c u t e d b y o n e o r m o r e p r o c e s s o r s , c a u s e t h e c o
Absstract of: WO2025151614A1
Presented are computing systems for regulating the custody and transfer of digital assets, methods for making/using such systems, and memory-stored, computer-readable instructions for provisioning such systems. A method for governing control of digital assets includes a host platform's server receiving, from a user's personal computing device, a request to transfer a cryptographic digital asset from a custodial wallet provisioned by a third-party wallet platform. In response, the host server receives, from the third-party wallet platform's server, an encrypted private key enabling access to the custodial wallet. The private key is decrypted and used to create an encrypted transfer request by generating a transfer request to transfer the cryptographic digital asset from the custodial wallet to a new digital wallet and encrypting the transfer request. The host server transmits, to the third-party server using the encrypted transfer request, a transfer order to transfer the cryptographic digital to the new digital wallet.
Absstract of: WO2025151613A1
Presented are computing systems for transferring digital assets between virtual platforms, methods for making/using such systems, and digital assets imported/exported by such systems. A method for controlling transfer of digital assets includes storing a fungible digital asset on a digital platform in association with a personal account of a user. A server computer of the digital platform receives a user request to transfer the fungible digital asset to another digital platform; in response, the fungible digital asset is converted to a non-fungible digital asset by generating a cryptographic (crypto) token, assigning the crypto token to the digital asset, and recording the crypto token on a blockchain ledger. The newly minted digital asset is transferred to an intermediate computing node and associated with another personal account of the user. The non-fungible digital asset is then transferred to the requested digital platform and associated with yet another personal account of the user.
Absstract of: WO2025149221A1
Methods, systems, and data structures for processing large volumes of transactions in blockchain nodes. The system may include a propagation service to receive and propagate blockchain transactions over a blockchain network; a transaction validation service to receive transactions from the propagation service and to verify that received transactions are compliant with blockchain protocol rules; a block assembly service to create a block template for mining by the computing system, including creating one or more subtrees of validated transactions; one or more miners to search for a proof of work with regard to the block template; a validator service to receive and validate incoming subtrees from other blockchain nodes on the blockchain network and to, following receipt of a block solution, verify validity of the new block based on previously validated subtrees; and a blockchain service to manage block headers and lists of subtrees in a block.
Absstract of: WO2025151598A1
A method is disclosed. The method includes receiving, by a network processing computer from a sending entity computer, a push transfer message for a push transfer. The push transfer message includes a receiver address associated with a record of a receiver and a value. The method further includes validating the push transfer message; and transmitting, to an aggregator computer, the push transfer message. The aggregator computer thereafter initiates a recordation of a transfer the value from an aggregator address associated with the aggregator computer to the receiver address on a blockchain managed by a blockchain network.
Absstract of: WO2025151540A1
A system, and associated devices and methods, capable of linking user of products like seeds or food products to regulatory information or other information associated with specific batches or lots of the product. The system can use a blockchain data network and smart contracts to ensure security and accuracy in the supplied information.
Absstract of: WO2025149811A1
This invention introduces the Dynamic Equity Distribution Method, a groundbreaking system designed to enable fair, transparent, and adaptable equity allocation in startups and collaborative ventures. By integrating blockchain technology, tokenization, and dynamic adjustment mechanisms, this method overcomes the limitations of static equity models, ensuring that ownership shares continuously align with each member's real-time contributions. Key features include: Comprehensive Contribution Valuation: A structured approach to evaluate both financial and non-financial contributions, such as intellectual property, network resources, physical assets, skills, and time, using Fair Market Value (FMV) assessments. Dynamic Adjustment Mechanism: Automated equity realignments powered by smart contracts, conducting periodic reviews to reflect ongoing contributions and performance milestones. Tokenization and Blockchain Integration: Equity shares represented as digital tokens stored on a blockchain, ensuring transparency, security, and ease of ownership transfer. Structured Exit Protocols: Predefined procedures for member exits, including buy-back options, share dilution mechanisms, reserve funds to manage ownership transitions seamlessly.
Absstract of: WO2025149772A1
The present invention relates to a system and method for developing complete blockchain solutions comprising a functional unit consisting of an application programming interface, a software development kit, a specified data repository structure, and a plurality of integrated and interchangeable functional modules. This invention provides a complete and highly adaptable platform for developing blockchain solutions. The platform facilitates the creation of customised applications, simplifies the development process and improves efficiency in managing digital blockchain assets.
Absstract of: WO2025150002A1
The present invention pertains to an advanced workforce management system that integrates multiple cutting-edge technologies to optimize human capital management and enhance employee engagement. The system comprises an AI-enabled performance dashboard, a blockchain-based gamification module issuing Non-Fungible Tokens (NFTs), a shared human resources service platform, and an augmented reality/virtual reality (AR/VR)-based training platform. These components are interconnected through a novel data processing framework that synchronizes real-time performance data, reward mechanisms, resource allocation, and personalized training. Proprietary machine learning algorithms deliver predictive analytics and actionable insights, while advanced security protocols ensure data integrity and privacy. The blockchain module facilitates transparent and secure NFT rewards, fostering a culture of meritocracy and continuous improvement. Additionally, the AR/VR training platform provides immersive and adaptive learning experiences, enhancing employee skills and preparedness. This integrated system offers a scalable and flexible solution applicable across various industries, significantly improving organizational efficiency and employee satisfaction.
Absstract of: WO2025149915A1
The present invention discloses a system and method for predicting Bitcoin prices using machine learning and comprehensive historical data analysis. The system comprises: a data collection module (110) gathering historical Bitcoin prices, blockchain event data, and whale activity information; a data preprocessing module (120) performing feature engineering and standardization; a model training module (130) selecting and optimizing a random forest model (132) through hyperparameter tuning; and a prediction module (140) generating Bitcoin price predictions. The method includes: collecting historical data; preprocessing data through feature engineering and standardization; training a random forest model by evaluating multiple models, selecting based on performance metrics, and tuning hyperparameters; and generating price predictions using the trained model. The system considers Bitcoin-specific events like halvings, hard forks, and protocol upgrades, alongside whale activity, to capture complex market dynamics. Periodic model retraining ensures adaptability to evolving cryptocurrency landscapes, providing a powerful tool for investors and researchers navigating volatile markets.
Absstract of: US2025229745A1
Technologies for mitigating vehicular crime includes a server and an in-vehicle device configured to monitor a vehicle. The server receives present trip information of a mobile device of a user of the vehicle. The server monitors the vehicle and surroundings of the vehicle. Upon detection of anomalous activity at the vehicle and the surroundings, the server transmits the present trip information to one or more alert recipient entities. The server records the present trip information of the user in a blockchain.
Absstract of: US2025232644A1
A blockchain system for supporting electronic gaming on a plurality of electronic gaming devices a primary blockchain and a system server participating in the primary blockchain. The primary blockchain defines a partially fungible tokens configured to be used for game play for a first gaming operator. The system server is configured to (i) identify a game outcome from a play of an electronic game based on output of a random number generator, the game outcome includes an award amount of PFTs; (ii) generate a blockchain transaction that includes an operator address as a funds source account of the blockchain transaction, a player address as a destination account of the blockchain transaction, and the award amount of PFTs; and (iii) transmit the blockchain transaction into the primary blockchain, thereby transferring the award amount of PFTs.
Absstract of: US2025232339A1
Crowd funding for innovation includes distributing a proposal with a description of a project idea, an amount of funds requested, and a time frame for raising the funds. Ownership of the project is transferred to an entity or between entities, which receives contributions from contributors and for each of the received contributions converts the contribution to a corresponding amount of virtual coin, performs a blockchain operation on the coin, and adds the contribution to the funds. The virtual coin is subject to a blockchain operation to uniquely identify and trace it, establishing confidence in the transaction between contributor and entity or between entities. If the funding goal is complete within the time frame, the entity converts the coins to fiat currency and releases the money to the requestor. After completion of the project, the entity or entities determines if the project is successful and can commercialize successful projects. For certain successful projects, the entity or entities can also distribute funds to the contributors.
Absstract of: US2025232306A1
A computerized method monitors blockchain behavior associated with fiat currency accounts and generates notifications based on detected high-risk blockchain behavior. A transaction key associated with an on-ramp transaction is received. Based on fuzzy logic rules applied to transaction data of the on-ramp transaction and blockchain transaction data, a group of blockchain transactions are identified that are likely to be associated with the fiat currency account of the on-ramp transaction. A blockchain risk model is used with the identified group of blockchain transactions to determine that blockchain transaction behavior associated with the fiat currency account includes high-risk behavior and the financial institution (FI) of the on-ramp transaction is notified of the high-risk behavior, whereby the FI is enabled to take action to prevent future high-risk behavior. Thus, the method reduces the occurrence of costly malicious events using blockchain transactions and accounts are better secured against such events.
Absstract of: US2025232294A1
The present disclosure provides methods and systems for distributed and/or parallel processing of data records, and in particular validation of blockchain transactions in a blockchain block. In a preferred embodiment, a distributed validation node is disclosed in which one or more transactions are allocated to a validating resource in a plurality of validating resources. The one or more transactions relates to a portion of a Merkle tree for the block, so that each validation resource is able to operate independently on verification of a subset of the block's transactions, each subset being based on a segment of the Merkle tree. The disclosure includes advantageous techniques for at least: allocation of tree segments to different validation resources, load balancing, download of the transactions to be validated, distributed UTXO pools, indexing schemes and prevention of double spend events.
Absstract of: US2025232272A1
Methods, systems, and devices for person-to-person transfers are described. A user device may receive from a requestor, a request for transfer of a first amount of a first token to the requestor. A blockchain address application associated with the requestee, may display respective indications of one or more second tokens in the blockchain address application, where the one or more second tokens are different than the first token. The blockchain address application may receive user input including a selection of a second token of the one or more second tokens. The blockchain address application may transmit, after receiving the user input, a message that causes the requestee to transfer a second amount of the second token and the requestor to receive the first amount of the first token.
Absstract of: US2025232295A1
The present disclosure provides methods and systems for distributed and/or parallel processing of data records, and in particular validation of blockchain transactions in a blockchain block. In a preferred embodiment, a distributed validation node is disclosed in which one or more transactions are allocated to a validating resource in a plurality of validating resources. The one or more transactions relates to a portion of a Merkle tree for the block, so that each validation resource is able to operate independently on verification of a subset of the block's transactions, each subset being based on a segment of the Merkle tree. The disclosure includes advantageous techniques for at least: allocation of tree segments to different validation resources, load balancing, download of the transactions to be validated, distributed UTXO pools, indexing schemes and prevention of double spend events.
Nº publicación: EP4584710A1 16/07/2025
Applicant:
NCHAIN LICENSING AG [CH]
nChain Licensing AG
Absstract of: CN119856175A
A computer-implemented method of executing a token protocol using a blockchain, the method comprising: obtaining a token destruction transaction, the token destruction transaction comprising: a first input signed by a first party, where the first input references a respective output of a first token transfer transaction, wherein the respective outputs are locked to a first public key of the first party and include a first number of tokens; and a first output locked to a destruction public key of a delegate entity and including the first number of tokens; creating a token casting transaction, the token casting transaction comprising: a respective input signed by the delegation entity using a signature corresponding to a casting public key; and a respective output that locks a respective number of the digital assets, the respective number of the digital assets being sufficient to fund one or more respective token transfer transactions, where the respective output is locked to a second public key of the first party and includes the first number of tokens.
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