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127
results.
Updated on
07/05/2026 [09:24:00]
Absstract of: GB2631433A
A computer-implemented method for requesting a document signature for a document at a document signature system or notary. A signature request is received from a requestor, wherein the signature request comprises an identifier of a signer and identifying the document. A commitment to the document is obtained. A document blockchain transaction is generated, wherein the document blockchain transaction comprises the commitment to the document and a document signature requirement associated with a signer, wherein satisfying the document signature requirement signs the document, wherein the document signature requirement is provided in a locking script of the document blockchain transaction and identifies the signer. The document blockchain transaction is made available to one or more node of a blockchain network.
Absstract of: WO2025002725A1
Herein is provided a computer-implemented method for signing a document at a document signature system. A signature request comprising an identifier of a signer and identifying the document is received from a requestor. A commitment to the document is obtained. A document blockchain transaction is generated, wherein the document blockchain transaction comprises the commitment to the document and a document signature requirement associated with a signer, wherein satisfying the document signature requirement signs the document. The document blockchain transaction is made available to node(s) of a blockchain network. A signature authorisation message is received from the signer and, in response, a signature blockchain transaction is generated, wherein the signature blockchain transaction comprises a signature associated with the signer and which satisfies the document signature requirement. The signature blockchain transaction is made available to one or more nodes of the blockchain network.
Absstract of: WO2025006624A1
A method, a system, and computer program product for managing distribution of non- fungible tokens (NFTs) representing receipts for transactions are provided. A request for a transaction is received over a blockchain network. The transaction includes a transfer of assets between a target node to a recipient node, both included in a blockchain network. A link to a first transaction operation is transmitted to the recipient node. A token of a first result of the first transaction operation is transmitted, over the blockchain network, to trigger a second transaction operation. A second result of the second transaction operation is received from the blockchain network. A pair of non-fungible tokens including encrypted metadata associated with the transaction including the second result of the transaction operation is generated and transmitted to the target node and the other non-fungible token of the pair of non-fungible tokens to the recipient node.
Absstract of: WO2025006159A1
Certain aspects provide techniques and apparatus for efficiently executing reversible transactions on a blockchain. An example method generally includes aggregating tokens from a plurality of wallets into a global pool of tokens. Generally, the global pool of tokens comprises a. first type of token and a second type of token. A request to exchange a first quantity of the first type of token stored in a wallet to a second type of token is received. A second quantity of the second type of token to transfer to the wallet is calculated based, at least in part, on a ratio of the first type of token to the second type of token in the global pool of tokens. The first quantity of the first type of token is transferred to the global pool of tokens, and the second quantity of the second type of token is transferred to the wallet.
Absstract of: WO2025006796A1
An access control server may receive state information of an autonomous program protocol that is recorded on a blockchain. The access control server may generate a trace log associated with one or more transactions executed by the autonomous program protocol, the trace log comprising machine events executed by the blockchain, the machine actions associated with the one or more transactions. The access control server may extract a set of features from the trace log, wherein a feature in the set comprises a summary of a machine event executed by the blockchain. The access control server may input the set of features to a machine learning model to determine a threat nature associated with the transactions of the autonomous program protocol. The access control server may perform a responsive action to address the threat nature.
Absstract of: WO2025006158A1
Certain aspects of the present disclosure provide techniques and apparatus for processing recoverable transactions on a. blockchain. An example method generally includes receiving a request to execute a transaction on a blockchain to transfer a quantity of a wrapped token which encapsulates a base token exchanged in transactions on the blockchain. A running total of tokens in the receiver wallet that are in a recoverable state is incremented by the quantity of the token identified in the request. After a. threshold amount of time from a. timestamp associated with the received request, it is determined whether the transaction has been frozen. Based on determining that the transaction has not been frozen, the running total of tokens in the receiver wallet that are in the recoverable state is decremented, and a running total of tokens in the receiver wallet that are in a non-recoverable state is incremented.
Absstract of: WO2025006457A1
A method is disclosed. It includes receiving, by a processing network computer, an authorization request message. The authorization request message comprises an amount and a credential or a token associated with a user as part of an interaction with a resource provider. The processing network computer transmits, to an authorizing entity computer, the authorization request message, which determines a first blockchain address associated with the user using the credential, and initiates a first blockchain transaction on a blockchain. The method also includes transmitting to the authorizing entity computer a post-authorization request message associated with the authorization request message. The authorizing entity computer initiates a second blockchain transaction transferring a first post-authorization amount associated with the amount from a second blockchain address to a third blockchain address associated with the processing network computer. The processing network computer provides a second post-authorization amount to a transport computer.
Absstract of: US20260120124A1
0000 Embodiments relate to a non-fungible physical (NFP) item. The non-fungible physical (NFP) item comprises an identifier. The identifier is embedded and layered within the non-fungible physical item in an unplanned pattern. The identifier in the unplanned pattern is configured to provide high security against counterfeiting of the non-fungible physical (NFP) item. The identifier comprises at least one of a random marker and a unique marker. The unplanned pattern comprises at least one of a random pattern and a unique pattern. Further the non-fungible physical (NFP) item is registered as a non-fungible token on a blockchain. The NFP item is then paired with the non-fungible token for enabling two-way mutual authentication and enhanced authenticity. The pairing of the NFP item with the non-fungible token enables tracking condition, provenance, and grading of the NFP item.
Absstract of: US20260121858A1
0000 A method executed by a computing device includes determining specific terms associated with a longevity-contingent instrument for a contingency-action token (CAT) for an object distributed ledger. The method further includes establishing CAT content to include the specific terms and further CAT content to produce the CAT. The method further includes using a securely passing process to generate a new block affiliated with the CAT via a blockchain of the object distributed ledger, where the new block includes the CAT content.
Absstract of: US20260120081A1
A method is disclosed. The method includes transmitting a verification request comprising a wallet account identifier associated with a digital wallet to a smart contract on a blockchain network or a smart contract application associated with the smart contract. The smart contract or the smart contract application verifies the wallet account identifier using a blockchain on the blockchain network. The method also includes receiving from the smart contract on the blockchain network or the smart contract application, a verification response verifying the wallet account. The method further includes initiating transmitting to an authorizing entity computer, an authorization request message comprising a credential associated with the wallet account identifier.
Absstract of: WO2026089178A1
A system for providing a shareable decentralized identity service, according to one embodiment of the present invention, comprises: an owner terminal configured to receive owner signature information for proving that an owner owns a managed object; a sharer terminal communicatively connected to a service server and configured to receive sharer signature information for proving that a sharer jointly manages the managed object with the owner; a service server communicatively connected to the owner terminal and the sharer terminal, and configured to generate at least one piece of information selected from among managed-object decentralized identifier information for identifying the managed object owned by the owner on the basis of the owner signature information, owner decentralized identifier information of which validity is verified on the basis of the owner signature information, and sharer decentralized identifier information of which validity is verified on the basis of the sharer signature information; and a blockchain network communicatively connected to the service server and configured to record the managed-object decentralized identifier information and at least one piece of decentralized identifier information selected from among the owner decentralized identifier information and the sharer decentralized identifier information.
Absstract of: US20260120089A1
Systems and methods are disclosed for efficient creation of blocks on a blockchain by utilization of trusted cloud primitives. As opposed to inefficient mechanisms like proof-of-work or application-limited mechanisms like proof-of-stake, embodiments of the present disclosure implement a consensus algorithm by execution of verifiably immutable code on one or more hosted computing environments that are mutually trusted by participants to the blockchain. The code can be designated within a block of the blockchain, such that participants mutually trust the code, when executed, to properly implement the agreed-upon consensus algorithm. The consensus algorithm can operate to select transactions for inclusion in each block, and notify participants of the selection, removing a need for participants to trust one another with respect to block creation.
Absstract of: US20260121854A1
A computer-implemented method of enforcing conditions on a second blockchain transaction using a first blockchain transaction, wherein a first one of the conditions is that, when a first unlocking script of the second transaction is executed alongside a first locking script of the first transaction, a representation of the second transaction is output to memory, wherein the representation is based on a plurality of fields of the second transaction and a first output of the first transaction, and wherein the method comprises: generating the first transaction, wherein the first transaction comprises a first output, wherein the first output comprises the first locking script, and wherein the first locking script comprises: a message sub-script; a signature sub-script; a public key corresponding to a private key; and a verification sub-script.
Absstract of: US20260121856A1
0000 A consent block is a type of block that may be stored in a blockchain. Each consent block has an owner and may store an owner consent contract, i.e., a smart contract containing owner-specified access rules that determine who may access data assets that are stored in other blocks of the blockchain and owned by the same owner. The consent block also stores a hash value determined from the owner consent contract and a previous hash value of the block immediately preceding the consent block. The owner consent contract and the position of the consent block in the blockchain are verifiable from the hash value. Each consent block, once added to the blockchain, becomes part of the immutable record of data stored in the blockchain, and therefore leaves an auditable trail of who had access to which data, and when.
Absstract of: WO2026089597A1
This invention provides an innovative blockchain-based water management system configured to optimize the use of water in agricultural communities. The system effectively manages two scenarios: a community-driven approach in which water is drawn from a shared water tower, and a collaborative-driven approach in which farms share their excess water with one another. By using IoT sensors, smart contracts and a decentralized ledger (blockchain), this system allows real-time tracking, transparent accounting, and secure distribution of water resources, thereby contributing to reduced waste, improved agricultural productivity, and enhanced resilience to climate change. The aim of the present invention is to optimize water management in agricultural communities by providing an innovative IoT- and blockchain-based solution.
Absstract of: US20260120840A1
A system for managing prescriptions via a blockchain is provided. Prescription information relating to a the prescription is displayed. Submission information for the pharmacy relating to dispensing the prescription is displayed for each of a plurality of pharmacies. Selection of a pharmacy to dispense the prescription is received, where a prescription transaction relating to the prescription is recorded in a blockchain. An indication that a dose was taken is received from the patient after the prescription is dispensed by the selected pharmacy selected. A dose token transaction is recorded in the blockchain.
Absstract of: US20260116203A1
0000 A system to use vehicle regenerative braking to power blockchain processing may include a controller that includes one or more processors, memory and instructions or programs stored in the memory or otherwise accessible by the processors that is capable of communicating with a network configured to transmit and receive blockchain data. A blockchain processor may be either integrated with the controller or separate from the controller and is capable of communicating with the controller. The system determines a vehicle energy condition, determines whether the vehicle energy condition is above a predetermined threshold and powers one or more blockchain processors to perform blockchain processing when the vehicle energy condition meets or exceeds the predetermined threshold.
Absstract of: US20260121876A1
0000 A system to use available energy from a vehicle charging system to power blockchain processing. The system may determine that a charge cycle for charging a vehicle battery is occurring, determine an amount of available energy at least in part from an energy generator, and determine an energy target at least in part based on a charge level of the vehicle battery to be achieved during the charge cycle. Further, the system may compare the amount of available energy to the energy target, and power one or more blockchain processors to perform blockchain processing when the available energy meets or exceeds the energy target.
Absstract of: US20260120094A1
Systems and methods for computer-implemented commodity transactions using blockchain-based smart contracts. A server with memory executes application to authenticate buyer and seller, receive listing with commodity identifier, quantity, quality, delivery terms, price; generate smart contract specifying participant identifiers, wallet or banking info, order and contract IDs, milestone events, settlement terms; commit contract to blockchain; escrow funds associated with contract; obtain shipment, inspection, and delivery status via oracle; verify milestone satisfaction; release escrowed funds accordingly; record settlement on chain; and update database. Modules may include compliance to compute taxes and fees, identity to perform KYC/AML, and dispute resolver to execute predefined remedies. Optional multisignature escrow and fiat or crypto settlement are supported. Executions store hashes and ledger indices to provide tamper evident audit trails.
Absstract of: US20260121875A1
0000 Methods, systems, and devices for data management are described. A client application may receive a first user input to connect the client application to a blockchain address application that is associated with multiple blockchain addresses, where blockchain addresses of the multiple blockchain addresses are associated with at least two different transaction handling models of different blockchain networks. The client application may display information associated with the multiple blockchain addresses, where the information includes a first amount of a first crypto token associated with a first blockchain address and a second amount of a second crypto token associated with a second blockchain address. The client application may receive second user inputs to perform an operation on a blockchain network using a blockchain address of the multiple blockchain addresses. The client application may initiate the operation on the blockchain network after receiving the second user inputs.
Absstract of: US20260120080A1
0000 Methods, non-transitory computer readable media, and property transaction systems are disclosed that generate on a blockchain network a smart contract after receiving authorization data from a seller client device and including a seller wallet ID. A buyer is authenticated in response to a request to obtain rights in the property received from a buyer client device via a GUI. The GUI comprises listing data received from the seller client device and the request comprises a buyer wallet ID. The blockchain network is queried to determine that a transaction amount was credited to the seller wallet ID from the buyer wallet ID. The seller wallet ID is provided to the buyer client device in response to the request. The buyer wallet ID is provided to the smart contract to cause a transfer of an NFT for the property to the buyer wallet ID.
Absstract of: US20260120185A1
0000 A computer-implemented system simulates financial markets using blockchain-based assets to support trading, portfolio management, and market-dynamic gameplay. The system is implemented digitally and may optionally support physical or hybrid gameplay formats that integrate physical game components with digital portfolio interfaces. Players interact with blockchain-based assets, including cryptocurrencies, digital tokens, and non-fungible tokens, whose values dynamically adjust in response to simulated economic factors. Program modules apply rule-based logic to stored asset representations to update asset values and portfolio state during gameplay, synchronizing interactions across digital and physical formats. The system further supports reward mechanisms that grant digital assets or redeemable points and provides adaptive visualizations that reflect changing market conditions, enabling an interactive simulation of financial asset behavior.
Absstract of: WO2026089773A1
A system for authenticating ownership of a non-fungible token (NFT) representing a physical item may include an authentication module. The authentication module may scan the physical item to capture image data and analyze the image data to validate authenticity. A digital certificate as an NFT representing the authenticated physical item may be generated. A blockchain integration module may interact with blockchain networks to record ownership data for the NFT. Smart contracts may be executed to manage transfers. A transaction processing module may facilitate ownership changes. An image processing module may capture and analyze images during transfers and compare the stored data to verify the physical item matches the NFT.
Absstract of: US20260121878A1
The present disclosure provides a consensus method and a consensus apparatus for a blockchain system. The consensus method includes: generating a subsequent proposal block by referencing a plurality of proposal blocks and combining current transactions from clients in an (n+x2)-th consensus round; and achieving consensus on the preceding proposal block by using the subsequent proposal block as a certificate for the preceding proposal block. The plurality of proposal blocks are correspondingly generated by the plurality of validation nodes referencing a preceding proposal block in an n-th consensus round, and the preceding proposal block is generated in an (n−x1)-th consensus round. In the consensus method of the present disclosure, there is no need to transmit a large amount of signature messages in the consensus process, and consensus on a specific block is achieved by establishing reference relationships between blocks generated in different consensus rounds.
Nº publicación: US20260120083A1 30/04/2026
Applicant:
HSBC SOFTWARE DEVELOPMENT GUANGDONG LTD [CN]
HSBC Software Development (Guangdong) Limited
Absstract of: US20260120083A1
0000 An improved selective privacy based approach is proposed for selective obfuscation of distributed ledger transaction records of a specially configured blockchain smart contract, the approach describing a cryptographic process, along with a corresponding apparatus and computer program products using zero-knowledge proofs and a set of auditor generated public/private key pairs. The process includes establishing two new cryptographic parameters for a computational transfer function, which are used as part of a Sigma protocol for proving relationship between generated Pedersen commitment values.
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