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129
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Updated on
27/03/2026 [07:39:00]
Absstract of: AU2026201667A1
WIRELESS POWERED TRANSACTION SYSTEMS AND METHODS Provided is a powered transaction system and method. The system includes a distributed blockchain application which facilitates wireless powered transactions between a buyer and a supplier, wherein the blockchain application includes at least one blockchain ledger, a wireless powered two-part blockchain currency, the two-part currency comprising a first currency and a second currency, a trust server which stores the two-part currency and fiat currency, and a first server, wherein the first server receives fiat currency from a buyer transaction device in a first transaction recorded on the at least one blockchain ledger and exchanges the fiat currency for two-part currency from the trust server, and wherein the first currency is provided to the buyer transaction device and the second currency is retained by the first server. WIRELESS POWERED TRANSACTION SYSTEMS AND METHODS ar a r
Absstract of: EP4715724A1
An information management device of an embodiment that mediates a power transaction between users and manages a transaction result by storing information regarding the power transaction on a blockchain includes a processor configured to store session information regarding a session result of charging/discharging including information of a user who performs the power transaction, on the blockchain while changed into a hash value, and store transaction information including a transaction amount and a transaction volume of the power on the blockchain without being changed into a hash value.
Absstract of: EP4715719A1
An information management device of an embodiment that mediates a transaction between users and manages a transaction result by storing information regarding the transaction on a blockchain includes an acquirer configured to acquire a request regarding buying or selling received from a user, a first processor configured to store information regarding the request in a storage present outside the blockchain, an assigner configured to assign identification information to the request, a matcher configured to perform matching between a new request and an existing request included in a smart contract already stored on the blockchain in the storage, and a second processor configured to generate a smart contract including identification information of the new request when the matching is not established and add, when the matching is established, the identification information of the new request to a smart contract including identification information of the matched existing request.
Absstract of: EP4716145A2
A method performed in a layered network. The layered network comprises a core layer comprising one or more core nodes, one or more intermediate layers each comprising one or more intermediate layer nodes, and one or more outer layers each comprising one or more outer layer nodes. Each core node is a node of a blockchain network. At least some intermediate layer nodes are database nodes. At least some outer layer nodes are client nodes. Each database node stores at least part of a distributed database. The method comprises, at a database node: receiving one or more update requests from one or more client nodes requesting to update a database entry; and for each update request, applying the update locally and/or forwarding to another database node. At least one transaction including an indication of the one or more update requests is also recorded on a blockchain of the blockchain network.
Absstract of: EP4715723A1
An information management device of an embodiment that mediates a transaction between users and manages a transaction result by storing a smart contract regarding the transaction on a blockchain includes an acquirer configured to acquire a request regarding buying or selling received from a user, a matcher configured to perform matching a new request newly acquired by the acquirer and an existing request included in a smart contract already stored on the blockchain, and a processor configured to generate a smart contract including the new request on the blockchain when the matching is not established, and add, when the matching is established, information regarding the new request to a smart contract including the matched existing request.
Absstract of: EP4716148A1
This application provides a validation method for a blockchain network, applied to a validation system for a blockchain network. The system validates a transaction through token staking. The system includes a plurality of decentralized application nodes and a distributed validator technology DVT network. A sum of tokens for staking held by the plurality of decentralized application nodes meets a staking requirement. The method includes: The plurality of decentralized application nodes aggregate, by using a key aggregation algorithm, public keys held by the plurality of decentralized application nodes, to generate a public address of the blockchain network, and separately transfer the tokens to the public address. The plurality of decentralized application nodes transfer the tokens at the public address to a staking account, generate a plurality of staking private keys, and allocate the plurality of staking private keys to the DVT network. A plurality of DVT nodes sign a transaction by using the staking private keys respectively held by the plurality of DVT nodes, to obtain an aggregated signature, and then provide the aggregated signature for a consensus node, to participate in validation of the transaction. In this way, a scope of trusted staking is expanded, and use scenarios are prevented from being limited by staking conditions.
Absstract of: US20260081913A1
In one embodiment, a method includes receiving a first copy of source code associated with a smart contract in a specified development environment associated with the smart contract, wherein the certificate authority is authorized to audit the smart contract, generating an audit report for the smart contract based on the first copy of source code and security criteria, receiving an indication that the smart contract was deployed on a first blockchain network by the certificate authority, determining that the smart contract deployed on the first blockchain network does not match the first copy of source code, and transmitting a notification that a certificate was not issued by the certificate authority for the smart contract deployed on the first blockchain network to an entity associated with the smart contract.
Absstract of: WO2026058131A1
The disclosed invention comprises a tokenisation method in which a computer-based system implements consistent tokenisation on a decentralized blockchain network. The blockchain consists of multiple independent nodes that ensure hacker-resistant operation and maintenance. Users can create wallets to store programmable payment tokens, which are securely tradable in real-time between users and their devices via the blockchain. The currently valid countervalue of each programmable payment token is automatically calculated through technical means, based on: (i) a gold value component tied to a fixed quantity of physical gold, (ii) a dynamic, inflation-adjusted M Unit derived from official monetary data sources including M2, CPI, and optionally Stablecoin-Adjusted M2 (M2S), and (iii) an optional reserve or cash component representing a defined percentage of the combined value of (i) and (ii).
Absstract of: WO2026058077A1
Automatic building inspection and payment method comprising: providing a smart contract (SM) over blockchain basing on contract terms and agreements; providing a building software model (BIM) related to desired technical construction information (TI); providing building elements (BE;BU) corresponding to the building software model (BIM); inspecting (104) the building (BU; BE) and defining resulting construction information (RCI); creating (105) a digital twin (DTW) representing a virtual replica of said building and/or building elements (BE); comparing (106) the digital twin (DTW) with building software model (BIM) to define discrepancies (DS); triggering (108) a payment procedure according to a decision (DC) on said discrepancies.
Absstract of: US20260082228A1
In various embodiments, systems and methods for ledger-based cookie management are provided. Rather than store cookie data as text files on the local device drive, cookie data is recorded to a blockchain technology cookie ledger store on a network resource. When a client application (e.g., a browser) on the UE is directed to a cloud-based service, and that cloud-based service calls for access to a cookie, that call is processed by a cookie gateway executing on the UE. The cookie gateway may verify authenticity of the user and generate a cookie access token that it transmits to the cloud-based service. The cloud-based service may use the cookie access token to locate the cookie ledger and access one or more records storing cookie data used by the cloud-based service. The cookie access token may expire upon termination of the session between the user equipment and the cloud-based service.
Absstract of: US20260079738A1
Systems and methods are directed to managing access to a software instance stored on a virtual machine on a blockchain using a smart contract. The system receives, from a client device of a user, an authorization request to access the software instance. The authorization request can include a token associated with the user. In response to receiving the authorization request, the system accesses the smart contract. Based on the token, a determination is made, through the smart contract, whether the user is an owner of a license to the software instance. In response to determining that the user is the owner, a further determination is made, through the smart contract, whether the license has expired without renewal. Based on the license having expired without renewal, the smart contract autonomously triggers the virtual machine to destroy a container comprising the software instance.
Absstract of: US20260080072A1
Embodiments of the present disclosure may include a sovereign digital currency system including a blockchain network including a plurality of authorized nodes. Embodiments may also include a real-world asset (RWA)registry configured to maintain digital records of physical assets including gold reserves and government-owned resources. Embodiments may also include generate unique digital identifiers for each registered physical asset. Embodiments may also include track chain of custody information for each registered physical asset. Embodiments may also include a tokenization engine coupled to the RWA registry and configured to create digital tokens backed by the registered physical assets. Embodiments may also include maintain a predefined reserve ratio between issued tokens and registered physical assets. Embodiments may also include execute smart contracts governing the creation and destruction of digital tokens.
Absstract of: WO2026059491A1
Systems and techniques for facilitating microtransactions or micropayments are described. A method includes receiving, at a digicent service on a blockchain, a digital currency microtransaction request to transfer a particular amount of digital currency from a first digicent wallet account to a second digicent wallet account, the microtransaction being a fractional fiat currency transaction. The digicent service verifies the digital currency microtransaction request, including by confirming that a first tokenized payment source (such as tokenized payment card with financial NFT) is associated with the first digicent wallet account and exists as a valid smart contract on the blockchain; and confirming that a second tokenized payment source is associated with the second digicent wallet account and exists as a valid smart contract on the blockchain.
Absstract of: WO2026058022A1
The invention provides a blockchain-based platform for secure management and sharing of research data. It integrates modules for smart contract execution, decentralized data marketplaces, dynamic consent management, cross-chain interoperability, and advanced security features, including post-quantum cryptography and multi-signature authentication. The platform ensures data integrity, transparency, and compliance with evolving privacy regulations by automating research agreements, incentivizing participation through tokenomics, and enabling seamless multi-party collaborations. A decentralized reputation scoring system and comprehensive version control enhance accountability and traceability of research activities. Additionally, the platform supports data anonymization and dynamic consent updates, safeguarding participant privacy while fostering collaborative research. By leveraging AI-driven analysis and decentralized governance through a DAO model, the invention optimizes research processes, facilitates efficient data exchange, and promotes ethical standards in research environments, offering a robust and innovative solution to the challenges of modern research data management.
Absstract of: WO2026059439A1
The present invention discloses a system for managing a smart contract or chaincode and data access in a blockchain platform across a blockchain network to optimise network traffic and resource allocation and a method thereof. The system comprises a dynamic endorsement selector (100) deployed at a generic middleware (101), a chaincode call executor (200) deployed at a shared chaincode (201) of a shared layer (202), an access control manager (300) deployable at the shared layer (202) and/or a private layer (600), and a confidential data shielder (400) deployable at the shared layer (202) and/or a private layer (600).
Absstract of: US20260079475A1
The invention refers to a method 200 for planning of a production process of a product. Product planning data is provided 211 with respect to a production entity producing the product. The product planning data is indicative of a production plan that should be fulfilled. Pre-product planning data is provided 210 with respect to a production entity producing the pre-product. The pre-product planning data is indicative of a production plan that should be fulfilled. The product and pre-product planning data are stored 220 on a sequential distributed database. A product status of the production process of the product is determined 230 by comparing the stored product planning data with blockchain oracle data. A pre-product status of the production process of the pre-product is determined 231 by comparing the stored pre-product planning data with blockchain oracle data. The product status is validated 240 with respect to the pre-product status.
Absstract of: US20260081796A1
An engagement recording and engagement metadata associated with a contact center engagement are stored in a block of a blockchain. The engagement metadata identifies one or more user devices and one or more business servers. Based on determining that the metadata stored in the block identifies the one or more user devices or the one or more business servers, access to the block is provided to the one or more user devices or the one or more business servers.
Absstract of: US20260081769A1
A method for generating a private key for an asymmetric key cryptography algorithm using a password, wherein the password can be changed without the private key changing is presented. The method has applications to blockchain wallets, digital signing, passkeys, and other identity and access management systems in which password changing is currently difficult or impossible. The method generates a first matching code for a first password to derive a private key, and when the first password is changed to be a second password, the first matching code is altered to a second matching code to maintain derivation of the same private key, and the first password may be discarded or forgotten.
Absstract of: US20260081770A1
Decentralized blockchain enabled mobile communications on a secure, open and distributed network and that is network agnostic. Networks of future will be based on cellular, Wi-Fi, and/or satellite technology, may be private or public, will be decentralized and will provide a variable network capacity, latency and bandwidth. The endpoints for networks will vary but increasingly include several Internet-Of-Things (IOT) endpoints. Peer-to-peer connections traverse many of these networks. As of today, communications networks will continue to exist in secure and not secure embodiments.
Absstract of: US20260081790A1
A computer-implemented method and a system for recording data relating to a tangible asset (V) in association with a subject (U) are described, which are based on acquiring (120) data related to the asset (V) from a central asset management entity (S) adapted to store asset-related data comprising at least one unique asset identifier data and at least one among asset ownership or possession data, asset usage data, asset maintenance data, asset biographical data; on generating (140) a digital certificate associated with the asset; on storing (160) the digital certificate in a non-indexed way in at least one storage resource accessible in a public access communication network (W) via a respective unique identifier associated with the digital certificate; and on creating (220), in the digital register, a non-fungible token, NFT, including the unique identifier associated with the digital certificate, by means of the private key of a pair of cryptographic keys adapted to define the identity of the subject (U) in a blockchain digital register (B) replicated in a plurality of nodes of a computer network.
Absstract of: US20260080407A1
A method and system for cross-network transactions includes a processor for storing a blockchain having a non-fungible token (NFT) associated with a physical asset, the NFT having metadata including at least a product identifier and product details. The processor may store one or more user account profiles each including a user identifier and a blockchain wallet address. The processor may receive a product verification request message including a machine-readable code from a first user computing device, execute a query on the blockchain to identify an NFT including a product identifier matching the machine-readable code and in response to identifying an NFT including a product identifier matching the machine-readable code, determine the product associated with the machine-readable code is verified. The processor may generate a verification result indicating that the product associated with the machine-readable code is verified code and transmit the verification result to the first user computing device.
Absstract of: US20260080400A1
A computer-implemented method of generating a second transaction for a blockchain. The blockchain comprises a first transaction comprising a first token and a first output transferring an amount of a digital asset between a second party and a first party. The first token represents a first amount of a token asset other than the digital asset, the second transaction is for transferring a second token representing a second amount of the token asset from a first party to a third party. The method is performed by the first party and comprises generating the second transaction. The second transaction comprises a first input configured to unlock the first output of the first transaction, and a first output comprising the second token. The second token comprises data representing the second amount of the token asset, the second amount being less than the first amount.
Absstract of: US20260080396A1
A method may include: receiving an authentication request from a device, the authentication request including a unique identifier; authenticating the authentication request by: retrieving a non-fungible token (NFT) identifier and public key associated with the unique identifier; identifying, from a blockchain, a blockchain address that is an owner of an NFT represented by the NFT identifier; verifying that the blockchain address that is the owner of the NFT is associated with the public key that is associated with the unique identifier; and verifying that a private key stored in a secure area of the device is associated with the public key that is associated with the unique identifier; and after authenticating the authentication request, enabling an operation not available prior to authenticating the authentication request. The unique identifier may be obtained using image recognition or optical character recognition.
Absstract of: US20260080393A1
Certain aspects of the disclosure provide a method for performing a blockchain-based transaction, comprising: broadcasting a burn operation on a first blockchain in a first message including a first recipient address and an amount of cryptocurrency to be burned; receiving an attestation of the first message from an attestation service; rebroadcasting the burn operation on the first blockchain in a second message including the attestation of the first message and a second recipient address; receiving an attestation of the second message from the attestation service; and causing the amount of cryptocurrency to be minted on a second blockchain.
Nº publicación: EP4712410A2 18/03/2026
Applicant:
NCHAIN LICENSING AG [CH]
nChain Licensing AG
Absstract of: EP4712410A2
A computer-implemented method of encoding a digital contract between a first party of a blockchain network and a second party of the blockchain network, the digital contract being for transferring an amount of a digital asset from the first party to the second party based on a condition of the contract being fulfilled; the method being performed by a trusted third party and comprising: in response to determining that a condition of the contract linked to the second party has been fulfilled, providing the second party with a signature of the trusted third party for inclusion in a transaction of the blockchain, wherein the signature signs a data element representing the fulfilled condition.
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