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151
results.
Updated on
12/02/2026 [07:49:00]
Absstract of: CN120981807A
Embodiments use credential authentication and user information verification to allow range-limited access of security information to a user. Certain information sharing protocols may require an unambiguous grant to share the user's security information with the requesting entity. In some scenarios, such an explicit grant may be impractical, such as when a user cannot provide such an explicit grant. Embodiments of a security information manager can allow a reviewed entity to range and time limited access to security information of a user in such scenarios, such as when the reviewed entity provides an assertion that the user cannot provide an explicit grant. For example, in one or more scenarios with an emergency situation, the security information manager can allow a reviewed entity to access a limited range of user information corresponding to a relationship of the reviewed entity to a user, a role in a workflow, or other suitable characteristics of the reviewed entity.
Absstract of: EP4693144A2
The invention is directed to computer-based method and a computer system for generating a blockchain address. The method comprises receiving a request for a new blockchain address for a user, the request including a public key, which has an associated private key, and identification information for the user, and generating the address based on a combination of the public key and the identification information.
Absstract of: EP4693155A2
Real time, dynamic management of real estate finance, services, and reporting maintains a website accessible to a homeowner and an investor that displays terms, parameters, and upcoming actions under a housing finance arrangement; stores a housing instrument in a blockchain; implements adjustments under a balancing mechanism; receives, periodically, a message from a managing entity initiating a balancing entry onto the housing instrument; transmits a query to the blockchain for data relevant to a balancing calculation; receives the data; determines an updated balance; writes an updated account balance along with details of the computation on the housing instrument in the blockchain, modifies a website accessible to the homeowner and investor to display the updated account balance, and alerts the homeowner and investor of the updated account balance through a mobile device.
Absstract of: EP4694030A1
In one or more embodiments, the present invention provide a system that uses two unique and random codes based on cryptographic blockchain key pairs to represent both the physical asset (private code) and the digital or virtual asset (public code) as a token. In various embodiments, these codes are initially recoded and associated to assets by a known trusted authority and all subsequent data generated by the movement, use, manipulation, and exchange of the asset during its whole lifecycle can be trust-linked (forwards and backwards) using either the tokenized digital version or the physical version, independently from the SAME trust-chain of data recorded on blockchains.
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: US2025266994A1
A physical system of blockchain and method for securely recording and accessing information which includes the ability to be distributed, resilient to interference, resilient to damage, recoverable, anonymous, free of oligarchic control, auditable, and other advantages. Specifically, one embodiment of the present invention may include a plurality of physical tokens and one or more physical reference plates that together provide proof of stake by using a method of linear measurements and keys in a system of coordinate geometry, i.e., distances are measured to and from reference points on either one of the physical tokens and plate to another of the tokens or location on the plate to generate an encryption key to encrypt or decrypt a message or access data stored on a blockchain network.
Absstract of: US2025225504A1
Various aspects of the subject technology relate to systems, methods, and machine-readable media for extending and customizing a blockchain wallet. Various aspects may include providing, to users of a blockchain platform, a blockchain wallet configured to provide standard services to the users, and, providing, to the users, a sandbox environment that only communicates with the blockchain wallet through a secure message gateway. Aspects may also include storing, in the sandbox environment, a plugin configured to provide add-on services, and executing the plugin within the sandbox environment to enable the plugin to provide, as an extension of the blockchain wallet through the secure message gateway, the add-on services to the plurality of users.
Absstract of: US20260005893A1
A method may create a network block related to one or more devices located within the physical space. The method may write the network block to a ledger under a first user profile. The method may receive a request to transfer ownership of the network block. The method may link the network block to a second user profile in response to receiving the request.
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: AU2024241772A1
The method can include receiving a key generation request from a user; providing at least one value of a cost parameter associated to the user; calculating a cost value for a first key generation scheme using a cost function for the first key generation scheme and the at least one value of a cost parameter; calculating a cost value for a second key generation scheme using a cost function for the second key generation scheme and the at least one value of a cost parameter; comparing the cost value for the first key generation scheme to the cost value for the second key generation scheme; selecting one of the first key generation scheme and the second key generation scheme based on the results of the comparison; generating a blockchain key based on the selected key generation scheme; and storing the blockchain key in a non-transitory computer memory.
Absstract of: WO2024199934A1
A computer-implemented method for outsourcing a computation using a blockchain, comprising: obtaining one or more respective secondary computations, wherein each respective secondary computation is based on a respective part of a primary computation and a respective verification algorithm, and wherein executing each respective secondary computation with a respective input generates a respective result of the respective part of the primary computation and a respective verification output of the respective verification algorithm; obtaining a plurality of respective inputs to the primary computation; and for each respective secondary computation: generating a respective outsourcing transaction, wherein the respective outsourcing transaction is locked to a respective locking value based on the respective verification output; making the respective outsourcing transaction available to a respective computing party; and making both the respective secondary computation, or an encrypted version thereof, and the respective input, or an encrypted version thereof, available to the respective computing party.
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: 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: 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: 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: 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: 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: 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: 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: 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: WO2026030594A1
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: WO2026030206A1
A system and method of governing a blockchain may be disclosed, wherein a determination is made if a blockchain user has appropriate right to transfer. In response, a user is allowed to select a voting delegate to place votes for the blockchain user. The voting delegate may then be displayed a proposal user interface for the voting delegate to create a proposal. The status of the votes for the proposal may be displayed to the voting delegates of the blockchain. After a set period of time, the system and method may count the votes to determine if the proposal is approved or denied.
Nº publicación: US20260038046A1 05/02/2026
Applicant:
4652327 CORP [CA]
4652327 Corporation
Absstract of: US20260038046A1
Systems and methods presented herein provide for a non-fungible token (NFT) sustainability credit marketplace. One system includes a regulating authority platform operable to generate and issue an NFT for a sustainability credit, and an organization platform operable to receive the issued NFT sustainability credit from the regulating authority platform over a network. A trading platform receives the NFT sustainability credit from the organization platform, posts the NFT sustainability credit for sale, conducts a transaction of the NFT sustainability credit between the organization platform and a buyer platform, and instantiates the transaction in a block of a blockchain of the NFT sustainability credit. A plurality of nodes validates the block and manage the blockchain of the NFT sustainability credit.
BOPI
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