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124
results.
Updated on
15/02/2026 [07:25:00]
Results 25 to 50 of 124
Absstract of: CN120937031A
A method of processing a blockchain transaction using a payment card and a linked blockchain wallet includes: receiving an authorization request for a payment transaction initiated using the payment card, where the authorization request includes transaction data including at least a payment card number, a transaction amount, and a destination address; identifying the linked block chain wallet based on the association between the linked block chain wallet and the payment card number; verifying one or more usage restrictions of the linked blockchain wallet based at least on a transaction history and transaction data of the linked blockchain wallet; and executing a smart contract associated with the linked blockchain wallet stored on the blockchain of the blockchain network, wherein at least the transaction amount and the destination address are provided as inputs for the smart contract.
Absstract of: EP4694028A1
A method for processing personal information by using a smart contract-based trusted execution environment according to an embodiment of the present invention comprises the steps in which: a data processing platform server generates a trusted execution environment including a data processing code, in response to a data processing request received from a data processing request device according to a smart contract distributed on a blockchain; the trusted execution environment decrypts first data acquired from a data generation device; the trusted execution environment processes the decrypted first data on the basis of the data processing code so as to generate a data processing result; and the trusted execution environment provides the data processing result to the data processing request device according to the smart contract.
Absstract of: EP4693153A1
A transaction processing method, an apparatus, a device and a storage medium, relating to the technical field of payment transactions, and used for at least solving the problem in the related art of how to generate digital currency in cross-border payment systems. The technical solution of the present disclosure is as follows: receiving an issuing indication message sent by an off-chain transaction system, the issuing indication message comprising an off-chain participant identifier, a first target amount and a deduction success indication, and the deduction success indication being used for indicating that currency of the first target amount has been successfully deducted from a local bank account or a local digital currency wallet of the off-chain participant; and, in response to the issuing indication message, generating digital currency corresponding to the first target amount in a digital currency wallet of an on-chain participant node corresponding to the off-chain participant identifier of a block chain network.
Absstract of: AU2026200240A1
Abstract A computer-implemented method for managing secure message content is described. Message content associated with a message is received and stored in an off-chain content store. A payload identifier is generated that uniquely identifies the content independently of its physical storage location, and a first cryptographic hash of the stored content is computed. An off-chain mapping store holds a mapping record keyed by the payload identifier, including location data for retrieving the content and the first hash. A message event item including the payload identifier, the first hash and message lifecycle data is serialised into a canonical representation, hashed to obtain an event hash, and immutably anchored on a blockchain. Upon a subsequent access request, the associated message event item is re- serialised and verified against the blockchain event hash before the payload identifier is used to locate and retrieve the content. A third hash of the retrieved content is compared with the first hash to decide whether to release or withhold the content. Abstract an b s t r a c t a n g o C) an a n : o
Absstract of: US20260034887A1
A structured semi-truck and tractor-trailer system a lightweight composite-structured frame molded from advanced two dimensional polyarylene 2DPA-1 (from a family of aromatic-backbone polymers, of which this is one specialty member) and carbon nano-lattice with nitrogen, integrating a renewable energy node that combines high-efficiency solar films, axial-flux generators, structural battery elements, and graphene-enhanced supercapacitors, yielding many kilowatt-hours per day 400-600 kWh/day and scalable beyond 1,000 kWh/day with tandem configurations. An onboard artificial intelligence (“AI”) engine optimizes energy flows, predicts vehicle and grid demand, and manages a blockchain-enabled smart-contract vehicle-to-grid (“V2G”) sell-back platform. The 2DPA-1 also works with carbon nano-lattice polymers in regards to 3 dimensional lattice structures. A geo-fenced electroluminescent display array provides dynamic, location-targeted advertising. The system extends driving range, reduces grid load, strengthens resilience through bidirectional energy exchange, and generates ancillary revenue-all while preserving trailer aerodynamics and payload capacity.
Absstract of: US20260038005A1
The illustrative embodiments provide a system, method, device, and platform for managing carbon credits. Information corresponding to carbon credits with carbon emissions are received. A smart contract is executed on a data platform of a blockchain network based at least on the received information. The smart contract specifies one or more parameters for transactions corresponding to the carbon credits. One or more tokens for performing transactions in accordance with the smart contract are generated utilizing the data platform. Transaction for the one or more tokens are performed in accordance with the smart contract. The transactions include at least verifying the authenticity of the one or more tokens. Records of the transactions for the tokens a stored in a distributed ledger associated with the blockchain network.
Absstract of: US20260039488A1
Herein is privacy for a smart contract that contains chaincode that sends chaincode events. In a configurable and backwards compatible way, broadcast of a chaincode event can be restricted. Before committing a transaction to a blockchain and without storing a newly generated private event into the transaction, the following are stored into the private event: an event payload, a hash of the payload and, unlike the state of the art, an identifier of a subscriber or organization that can receive the private event. After committing the transaction is an asynchronous detection that the identifier of the subscriber is associated with the event and, responsively, the payload of the event is sent to the subscriber.
Absstract of: WO2026030240A1
Herein is privacy for a smart contract that contains chaincode that sends chaincode events. In a configurable and backwards compatible way, broadcast of a chaincode event can be restricted. Before committing a transaction to a blockchain and without storing a newly generated private event into the transaction, the following are stored into the private event: an event payload, a hash of the payload and, unlike the state of the art, an identifier of a subscriber or organization that can receive the private event. After committing the transaction is an asynchronous detection that the identifier of the subscriber is associated with the event and, responsively, the payload of the event is sent to the subscriber.
Absstract of: US20260039493A1
Techniques are described, as implemented by computing devices, to control access to digital content through use of nonfungible tokens (NFTs). This is performed by leveraging a blockchain such that digital content associated with an item is made available to supplement use of the item (e.g., to supplement use of a physical item, digital content, and so forth) or make other functionality available based on a user's possession of the item.
Absstract of: US20260039491A1
Various methods, apparatuses, systems, and media for creating and maintaining a distributed ledger or blockchain registry are disclosed. A memory is operable to store a blockchain, and a processor is operably coupled to the memory. The processor receives data representative of a titled property from a recording authority ledger, wherein the data representative of the titled property is processed with a hash function to obtain a hash value. The processor creates a blockchain transaction by using the hash value of the data representative of the titled property from the recording authority ledger to the blockchain ledger. The processor executes a smart contract in the blockchain transaction to define one or more terms of transferring the titled property to the blockchain ledger. The processor stores the smart contract in the blockchain transaction on the blockchain ledger, wherein the blockchain ledger comprising a plurality of blockchain transactions.
Absstract of: US20260039489A1
A system for configuring a portable traffic marker to be a node in a blockchain can include an attachment mechanism, an electrical power source, a communications device, a processor, and a memory. The attachment mechanism can be configured to attach the system to the portable traffic marker. The electrical power source can be configured to provide power to the system. The memory can store a blockchain node module and a communications module. The blockchain node module can include instructions that, when executed by the processor, cause the processor to perform operations of the node in the blockchain. The communications module can include instructions that, when executed by the processor, cause the processor to communicate, via the communications device, with another node in the blockchain.
Absstract of: US20260039492A1
Methods and devices for compressing transaction identifiers by a first mining node in a blockchain network. The method may include building a first candidate block containing a first ordered list of transaction identifiers; receiving, from a second mining node, data defining a second ordered list of transaction identifiers in a second candidate block being mined by the second mining node; determining that at least one of the transaction identifiers in the first ordered list is also in the second ordered list; generating an append message containing data defining the first ordered list of transaction identifiers, wherein the data specifies said at least one transaction identifier in the first ordered list of transaction identifiers by including an index position of said at least one transaction identifier in the second ordered list of transaction identifiers; and transmitting the append message to the second mining node.
Absstract of: US20260039457A1
A digital asset custody system dynamically provisions clusters of multi-party computation (MPC) nodes to securely create different private key shares for signing digital asset transactions and generate blockchain addresses for digital asset owners (AOs). Each cluster of MPC nodes is configured for an AO and to operate in a plurality of computing environments. Each of the computing environments is associated with a respective different signing party, and each computing environment includes a respective one of plural MPC node initializers and a respective one of plural MPC node operators. An MPC controller and MPC node initializers perform operations to generate first configuration information for each MPC node in a first MPC cluster of MPC nodes. Each MPC node operator, based on the first configuration information, deploys one of the MPC nodes in the first MPC cluster in the computing environment corresponding to where the MPC node operator operates, such that the one MPC node in the first MPC cluster is deployed into a different one of the plurality of computing environments as compared to the computing environments into which the other MPC nodes in the first MPC cluster are deployed. Analogous operations are performed to generate second configuration information to deploy a second MPC cluster, third configuration information to deploy a third MPC cluster, etc. as desired.
Absstract of: US20260039667A1
The present disclosure generally relates to Blockchain-based systems configured to process access rights to resources in a computationally efficient manner. Certain embodiments of the present disclosure generally relate to systems and methods that generate distributed applications to represent digital access rights to resources. Additionally, certain embodiments of the present disclosure generally relate to systems and methods that enhance the processing of assigning access rights using a Blockchain-based system using metadata.
Absstract of: US20260039661A1
An authorized computing device receives indications of data actions taken end users on a user platform. Each data action is selected from a group comprising an edit action, a create action, or a delete action. The authorized computing device collects the data actions to form a batch of data actions. The batch of data actions include data actions that have occurred within a range of time. The authorized computing device generates a Merkle tree corresponding to the batch of data actions. Each leaf of the Merkle tree is associated with a respective data action in the batch of data actions. The authorized computing device published a root node of the Merkle tree to a smart contract associated with the user platform on a blockchain. The root node of the Merkle tree is used to verify individual data actions in the batch of data actions.
Absstract of: US20260040080A1
The present invention relates to the field of smart city networks, specifically to systems and methods for enhancing security, scalability, and data integrity. More particularly, the invention focuses on a decentralized system for authentication and data management in Internet of Things (IoT) ecosystems within a smart city context. The system addresses critical challenges in conventional centralized architectures, such as single points of failure, scalability bottlenecks, and vulnerabilities to malicious attacks. By integrating a multi-layered approach that combines elliptic curve cryptography for secure node registration, a trust analysis model for real-time behavioral and data trustworthiness assessment, and a blockchain network for decentralized, immutable transaction verification, this system provides a robust and resilient solution. The system ensures secure communication between IoT nodes and fog servers, validates data integrity, and maintains a transparent and tamper-proof ledger of activities, thereby facilitating reliable and efficient operation of various smart city services.
Absstract of: US20260039474A1
An embodiment includes a node receiving one or more blocks of a blockchain. The node comprising a data storage can store, in the data storage, a plurality of sets of keys and data values associated with keys of the plurality of sets of keys, the data values being data associated with the blockchain. The node can perform a validation process for the one or more blocks. The validation process includes for each of the one or more blocks a) identifying a set of keys associated with the block, b) retrieving data values associated the identified keys from the data storage, c) storing the retrieved data values into volatile memory, and d) validating the block using the data values in the volatile memory. The node can then complete the validation of the one or more blocks.
Absstract of: US20260037962A1
A system for creating, transferring and managing digital assets is provided wherein a blockchain is configured to create an original digital asset as an NFT, and simultaneously, creating and authenticating the digital asset by linking the biometrics of the creator to the digital asset on the blockchain, wherein the NFTs are managed through a crypto wallet using cryptocurrency for at least the creation and transfer of the digital assets.
Absstract of: US20260037956A1
The present technology pertains to a hybrid communication blockchain transaction communication system and method of using the same. A method is disclosed for facilitating internet-less blockchain transactions. The method involves an application sending an SMS message requesting a coin object with a minimum value, identifying the sender's wallet address, and storing the coin object on a blockchain. The application then receives an SMS with the coin object identification, versioned ID, and digest. The application captures user input to define the recipient wallet address and transaction type. It sends a third SMS containing the sender's signature and transaction details, including the sender's wallet address, coin object ID as gas input, recipient wallet address, and transaction type. The application receives a fourth SMS with a transaction digest, confirming the transaction has been recorded on the blockchain.
Absstract of: US20260037961A1
A computer implemented method to obtain a batch transaction detection model that uses a machine learning process to detect that a transaction of a digital currency is a batch transaction is described. The method comprises obtaining transaction data from a block in a blockchain, wherein the transaction data comprises a plurality of items; generating an aggregated transaction data set of the transaction data and labelling the aggregated transaction data set according to whether the transaction is a batch transaction, using a feature selection method to remove from the aggregated transaction data redundant features and collinear features, to generate a reduced transaction data set having substantially independent features relevant to batch transaction detection. The method trains, tests and validates the batch transaction detection model using the reduced transaction data set; where the trained batch transaction detection model is adapted to determine whether a transaction is a batch transaction.
Absstract of: US20260037965A1
A method may include: receiving, by a smart contract, a request for a random number and a randomness seed from a user; deploying the request as a transaction that is written on a first block in the decentralized ledger; generating, by an oracle, a plurality of pseudorandom quantum circuits using the randomness seed; providing the plurality of pseudorandom quantum circuits to a quantum randomness source, wherein the quantum randomness source executes the quantum circuits and returns a sequence of random bits to the oracle; writing the sequence of random bits to a new block in the decentralized ledger; hashing the sequence of random bits and a block hash for the new block; and returning the hash of the sequence of random bits and the block hash to the user computer program, wherein the user consumes hash of the sequence of random bits and the block hash.
Absstract of: US20260037943A1
Disclosed herein are system, apparatus, article of manufacture, method and/or computer program product embodiments, and/or combinations and sub-combinations thereof, for allowing an account holder to authorize an entity to issue pull requests for funds to be transferred using real time payment rails. A first account representing a store of central bank digital currency (CBDC) of a first user may be linked with a second account representing a store of central bank digital currency (CBDC) of a second user. A request may be received, from one of the first and second user, to transfer CBDC from the first account to the second account. From another of the first and second user, an authorization may be received to transfer the CBDC. In response to the authorization, an entry may be written to a blockchain ledger effecting the requested transfer of the CBDC from the first account to the second account.
Absstract of: US20260038045A1
An information processing method causing a computer to execute processing of acquiring demand-supply information related to demand or supply for crypto assets on a block chain system; and restricting, based on acquired demand-supply information, a transfer quantity of tokens that can be converted into the crypto assets held by a user.
Absstract of: US20260037959A1
The present invention discloses a method or a system for verifying, storing and tokenizing data in cryptocurrency mining process by exchanging user data anonymously. The method comprises various steps like creating one or more smart contracts between a user and an application or platform or software, inputting by the user on a user device, user information onto the application or the platform or the software through an user interface, providing by the application or the platform or the software an option to store the inputted user information on to a server or database, confirming or verifying the storing of the user information onto the server or database, generating one or more digital tokens by the application or the platform or the software in response to the stored user information at the server or database, assigning by the application or the platform or the software, a blockchain network based wallet address to the user device and transferring by the application or the platform or the software, the generated tokens to the wallet address of the user.
Nº publicación: US20260034402A1 05/02/2026
Applicant:
MAYNARD ALAN WILLIAM [AU]
Maynard Alan William
Absstract of: US20260034402A1
A system and method for generating cryptocurrency coins based on physical exercise is provided. The system includes a hydraulic resistance control valve coupled to an actuator, which regulates bidirectional oil flow to establish a variable resistance load corresponding to the user's effort. An exercise attachment is mechanically coupled to the actuator, enabling a user to perform exercises. An electronic control unit equipped with pressure transducers and accelerometer sensors captures hydraulic pressure, resistance settings, and motion data, generating digital exercise data. A processor calculates power output in watts from the exercise data, converts the power output into exercise tokens according to a watt-to-token conversion algorithm, and transmits the tokens to a blockchain exchange interface. The blockchain exchange interface converts the tokens into cryptocurrency coins deposited into a user's cryptocurrency wallet. In some embodiments, the system further stores electrical energy in lithium-ion batteries and mints non-fungible tokens (NFTs) associated with performance milestones.
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