Blockchain

Multidevice Blockchain Systems and Methods

Resumen de: AU2026203860A1

A B S T R A C T A system for securing ownership of tokens, cryptocurrency, or other assets held or tracked on a blockchain by using cryptographic key pairs to sign one or more records, the system comprising: at least one blockchain account, each blockchain account of the at least one blockchain account having multiple cryptographic key pairs, each of the multiple cryptographic key pairs (i) managed separately, and able to authorize records that originate from, and modify a state of, the blockchain account; and (ii) consisting of a public component and a private component, the public component and the private component enabling the creation and verification of digital signatures; and wherein at least one of the one or more records is configured to encode one or more transformations to a global state maintained by the blockchain. ay a y

METHOD OF PROVIDIING AUTOMATED ADVERTISING COMPENSATION TO A USER WITHIN A DIGITAL ENVIRONMENT

Resumen de: US20260154685A1

A method for providing automated advertising compensation to a user within a digital environment includes: retrieving, from a digital blockchain ledger, data associated with a first, primary non-fungible token (NFT) representing a primary digital asset and retrieving, from the digital blockchain ledger, data associated with a second, advertising sub-asset NFT, the data associated with the second NFT including an advertising graphic and a smart contract. The method further includes: layering the advertising graphic from the advertising sub-asset NFT onto the primary digital asset to form a multi-layer digital asset; displaying the multi-layer digital asset in a digital environment in association with a character avatar controlled by the user; determining, by a computer system, an amount of value for remitting to the user following the displaying of the multi-layer digital asset; and automatically transferring, via the self-executing smart contract, the amount of value to a digital account associated with the user.

MULTI-LEVEL BLOCKCHAIN

Resumen de: US20260156005A1

0000 A computer-implemented method of using a multi-level (ML) data chain protocol to embed a data chain on a core blockchain, comprising: obtaining one or more ML transactions, wherein each ML transaction comprises one or more carrier pairs, each carrier pair comprising an input and an output, wherein each output comprises data associated with the data chain, and wherein each input comprises a signature that signs the carrier pair; generating a first ML block of the ML data chain, wherein the first ML block is a core blockchain transaction and comprises the respective carrier pairs of the obtained one or more ML transactions, wherein for each carrier pair, a respective position index of the respective input corresponds to a respective position index of the respective output, and a first chain output that is for being spent by a respective chain input of a subsequent ML block.

PROPAGATING LOCKING SCRIPTS

Resumen de: US20260154680A1

A method of enforcing a locking script to be propagated throughout a chain of blockchain transactions. The method comprises generating a primary transaction comprising a primary locking script configured to, when executed by an unlocking script of an auxiliary transaction, verify that the unlocking script comprises a message generated based on the auxiliary transaction, and verify, based on the message, that an output of the auxiliary transaction comprises an auxiliary locking script. The auxiliary locking script is configured to verify that an unlocking script of a second primary transaction comprises a message generated based on the second primary transaction, verify that the unlocking script of the second primary transaction comprises a data item comprising one or more locking scripts of the primary transaction, and verify, based on the message and the data item, that an output of the second primary transaction comprises the primary locking script.

AUDIT RECORDS MONITORING USING A BLOCKCHAIN STRUCTURE

Resumen de: US20260154253A1

0000 A centralized auditing system receives an audit block containing one or more audit files generated by an audit agent running in an audited device. The audit block additionally stores a first digital signature corresponding to a previous audit block, and a second digital signature generated based at least on the one or more audit files and the first digital signature. After receiving the audit block, the auditing system verifies the integrity of the received audit block based on the second digital signature stored in the audit block and/or the first digital signature corresponding to the previous audit block. In response to verifying the integrity of the received audit block, the auditing system adds the received audit block to an audit register. Moreover, the auditing system adds the one or more audit files included in the audit block to an audit database.

Personalized AI-Driven Real-Time Avatar Integration and Autonomous Media Generation System with Secure Biometric Authentication

Resumen de: US20260154891A1

The present invention provides a unified AI-driven media ecosystem enabling users to seamlessly integrate personal avatars into pre-recorded visual or audio media and generate fully autonomous content. The system supports adult personalization, supervised child engagement, and AI-generated open-ended narratives. User avatars are mapped in real time onto original media stored in a proprietary .AIMovie or .AIMusic file format, preserving unaltered audiovisual or audio-only content. Biometric authentication, including FaceID, ensures authorized access, while blockchain and zero-knowledge proofs enforce secure validation without bypassing consent. The system dynamically adapts narratives, synchronizes expressions, lip movements, and gestures, or user vocal characteristics, and allows collaborative input. By combining real-time avatar integration, AI-driven content creation, and advanced security measures, the invention transforms traditional media consumption into an immersive, interactive, and ethically governed experience for children and adults alike.

Integrated Marketplace and Bidding Platform with Dynamic Fulfillment Allocation

Resumen de: US20260154716A1

A system and method for deploying and monitoring robotic services for events and delivery operations, comprising receiving a service request via a computing device or cloud-based system, wherein the request includes event-specific details. The system generates a list of available robots using an AI-based algorithm, provides options for customizing selected robots, and calculates a dynamic service price. Logistics are scheduled and coordinated to ensure timely deployment via GPS tracking and optimized routes. Robot performance is monitored during operations using AI-driven analytics, with troubleshooting and maintenance to prevent failures. Post-event feedback is collected and analyzed to refine future services. Operational data is stored and used to improve robot performance. Blockchain-based smart contracts enforce service agreements, enabling secure and automated job placements.

PROCESSING A CONTINGENT ACTION TOKEN SECURELY

Resumen de: US20260155978A1

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.

System and Method for Issuing and Managing Debt-Backed Digital Tokens Pegged to a Fiat Currency on a Blockchain Platform with Optional Dual-Component Architecture, Configurable Buffer Pool Mechanisms, Dynamic Rolling Yield Adjustment, Institutional Repackaging, Bank and Agency Backstop Redemption, Multi-Modal Implementation, Automated Collateral Enforcement, and Asset/Reserve Liquidation

Resumen de: US20260154740A1

0000 A blockchain platform issues and manages debt-backed digital tokens pegged to a fiat currency using any tokenized debt or deposit liabilities. Tokens may be minted before debt availability, with proceeds directed to a buffer pool, and may be structured as single- or dual-component tokens enabling institutional repackaging. A yield-bearing component may be pledged, sold, or traded separately. Features include a configurable buffer pool with issuance queuing and proportional bank or agency backstop, dynamic rolling yield with dual-rate publication, automated peg and collateral enforcement, and tokenization of distressed reserves. The platform supports centralized, hybrid, or decentralized implementations and integrates with oracles for market data. Real-time dashboards provide visibility into debt pipelines, market conditions, and regulatory metrics. The system improves stability, efficiency, and scalability in debt tokenization.

CRYPTOGRAPHIC PROOF OF ELECTRONIC SIGNATURE TIMING

Resumen de: US20260155985A1

0000 In an embodiment, one general aspect includes a method of cryptographically proving a time of signature. The method includes receiving an electronically signed digital document. The method also includes generating a cryptographic hash using at least a portion of the electronically signed digital document. The method also includes storing the cryptographic hash on a blockchain in a blockchain transaction. The method also includes storing, in association with the electronically signed digital document, a certification of an existence of the electronically signed digital document at a time associated with the blockchain transaction.

BLOCKCHAIN ADDRESS APPLICATION USER INFORMATION MANAGEMENT

Resumen de: US20260156004A1

0000 Methods, systems, and devices for data management are described. An application may receive a request message including a payload for signature by a blockchain address and indicating requested information to be provided to a collection endpoint associated with a client application. The application may receive the information and encrypt the information using a cryptographic key generated based on a passkey associated with a user. A smart contract may store the encrypted information mapped to the blockchain address that is associated with the passkey. The application may obtain the encrypted information from the smart contract and decrypt the information using the cryptographic key. The application may broadcast, after receiving a user input executing the signature, messages to a blockchain network and configured to execute an operation on the blockchain network and transmit, using the collection endpoint, a response message including the requested information and an identifier of the operation.

VIDEO SIGNATURE LIVE CONTRACT SYSTEM AND METHOD

Resumen de: US20260155984A1

The present disclosure relates to a video signature live contract system and a method thereof, wherein the video signature live contract system includes an identity verification unit that receives an ID card image from a user terminal and verifies authenticity of the ID card; a contract management unit that provides a real-time video contract screen on the user terminal and records the real-time video contract process; a video signature generation unit that generates a video signature using the video captured by the user terminal and signature data received from the user terminal; and a face ID generation unit that generates a face ID using the video captured by the user terminal during the video signature generation process, issues a non-fungible token for the generated face ID, and stores and manages the non-fungible token on a blockchain, wherein the video signature includes both the video captured by the user terminal and a visual representation of the signature data generation process.

BLOCKCHAIN ADDRESS APPLICATION USER INFORMATION MANAGEMENT

Resumen de: US20260155965A1

Methods, systems, and devices for data management are described. An application may receive a request message including a payload for signature by a blockchain address and indicating requested information to be provided to a collection endpoint associated with a client application. The application may receive the information and encrypt the information using a cryptographic key generated based on a passkey associated with a user. A smart contract may store the encrypted information mapped to the blockchain address that is associated with the passkey. The application may obtain the encrypted information from the smart contract and decrypt the information using the cryptographic key. The application may broadcast, after receiving a user input executing the signature, messages to a blockchain network and configured to execute an operation on the blockchain network and transmit, using the collection endpoint, a response message including the requested information and an identifier of the operation.

Method And System For Processing Personal Information Using Trust Execution Environment Based On Smart Contract

Resumen de: US20260154413A1

A method for processing personal information using a smart contract-based trusted execution environment comprises the steps of: generating a trusted execution environment including a data processing code and a second encryption key in a data processing platform server in response to a data processing request according to a smart contract on a blockchain; acquiring first data and a first encryption key from a data generation device and an encryption key supply device; decrypting the first data using the first encryption key; generating a data processing result by processing the decrypted data according to the data processing code; providing the data processing result to the data processing request device; and destroying the trusted execution environment according to the smart contract.

IDENTIFICATION INFORMATION MANAGEMENT METHOD, SERVER, AND COMPUTER PROGRAM PRODUCT

Resumen de: US20260155998A1

0000 An issuance server issues an identifier, a private key associated with the identifier, and a public key corresponding to the private key, based on a request from a user device. The issuance server communicates with the user device to identify the type of the user device. The issuance server then stores the private key in a secure area corresponding to the type of the user device, and registers the identifier and the public key in a blockchain-based registry.

TAX-ADVANTAGED BUSINESS OWNERSHIP TRANSFER SYSTEM

Resumen de: US20260154755A1

0000 The present disclosure provides a method for facilitating a tax-advantaged business transaction with automated risk mitigation. A conditional sales agreement is generated between a government entity and a business entity of a business owner. A net-revenue bond with interest obligations is structured. Payments from business operations are processed through automated withholding calculations. A distribution of funds to the business owner and the government entity is structured based on tax savings. Geographic information system data indicating location-based hazards affecting the business entity is received and correlated with business performance metrics to generate composite risk scores, which are used to automatically adjust payment processing and fund distribution. Exit procedures are triggered when the composite risk scores exceed predetermined thresholds. Blockchain-based smart contracts that automatically execute terms of the conditional sales agreement are implemented. Smart contract oracles are utilized to integrate real-time geographic information system data and payment information.

AUGMENTED REALITY REMOTE AUTHORING AND SOCIAL MEDIA PLATFORM AND SYSTEM

Resumen de: US20260154924A1

Frontend and backend systems and processes. Technical foundations on which an Augmented Reality (AR) platform, such as an AR Social Media Platform. Systems and methods are used to construct and manage an AR Cloud backend and frontend environment facilitation: persistent 3-Dimensional and 2-Dimensional geo-located content that can be created, viewed, changed, and interacted with by users in the same or different sessions; ephemeral content; local creation and posting of content; remote creation and posting of content; remote visualization, altering, and placing content on a 3D map; filtering and management of content in the camera view based on a visibility layer/similar theme and content priority based on preferences, categorization, and ownership; automated creation and posting; lighting of content and digital environments; linking of point clouds with real-world geo-coordinates for accurate map construction; and the security of property and content rights and ownership via smart contracts on a blockchain.

BLOCKCHAIN RIGHTS MANAGEMENT METHOD, BLOCKCHAIN SYSTEM, DEVICE, PROGRAM, AND MEDIUM

Resumen de: US20260154676A1

A method, a blockchain system, an apparatus, a program, and a medium, for blockchain authority management. Receiving, by a first node, a node operation request for a second node, the first node being a node manager in the blockchain system; voting, by the first node, on the node operation request, sending a first voting request to another node manager, obtaining a voting result and a voting signature fed back by the another node manager, packaging the obtained voting result and voting signature into a first block, and broadcasting the first block to the blockchain system; verifying, by at least one blockchain node, the voting result and voting signature in the first block, and adding the first block into a local ledger if the voting result and voting signature pass verification; and responding to the node operation request if the voting result in the first block satisfies a first preset condition.

Crypto-physical currency with unique authentication features

Resumen de: GB2702094A

A crypto-physical authentication system comprises physical tokens incorporating non-replicable random patterns created through material processes, created through uncontrolled natural or stochastic processes resulting in unique physical characteristics; machine-readable identifiers associated with each token, such as NFC tags, RFID tags, QR codes, or printed serial numbers; digital recording of said patterns linked to said identifiers in a database; mobile application enabling pattern scanning, identifier capture, and verification; and blockchain integration for transaction recording, wherein physical possession, pattern verification, and identifier validation are required for transaction authorisation. An authentication system for luxury goods comprises a first component incorporating an embedded natural material pattern; a second component incorporating a corresponding visual representation of said pattern; and a verification system comparing the natural material pattern with its visual representation, wherein the first component is either a product or documentation, and the second component is the corresponding documentation or product, and authentication requires pattern matching between both components. A method for authenticating government documents and currency comprises capturing printed serial numbers through optical character recognition, using serial numbers as database keys for pattern retrieval, and comparing physical texture patterns with stored references to v

CONVERTING BRIDGED TOKENS TO NATIVE TOKENS ON A BLOCKCHAIN

Resumen de: WO2025024139A1

Certain aspects of the present disclosure provide techniques for converting a bridged token on a. blockchain to a native token on the blockchain. An example method generally includes pausing a token bridge between a first blockchain and a second blockchain. Minting privileges on the second blockchain are adjusted such that a designated user is granted privileges to control token minting on the second blockchain and no other users are allowed to control token minting on the second blockchain. It is validated that a. quantity of a. bridged token has remained unchanged since a freeze time at which the token bridge was paused. Based on validating that, the quantity of the bridged token has remained unchanged since the freeze time, the bridged token is converted to a native token existing on the second blockchain.

Système de traitement et de transmission sélective de données

Resumen de: FR3168994A1

Titre : Système de traitement et de transmission sélective de données Système comprenant un ensemble d’opérations de traitement des données (DEi) dans un espace collecteur confidentiel (101) et, dans un espace opérateur non confidentiel (102). Les données (DEi) sont réparties (S) en données confidentielles (DCij) et en données divulgables (DDij), puis formatées (F) et transformées (H1) de manière irréversible en données neutralisées H1(D’Cij) et H1(D’Dij), transférées (T) à l’espace opérateur non confidentiel (102), et pour être successivement sommées (Σ) (Σij) - associé aux données divulgables D’Dij non transformées, et transformé de manière irréversible (H2) en une somme H2(Σij). La somme H2(Σij) est enregistrée dans une blockchain BC. Le certificat d’authenticité Cauthij) combine la somme transformée H2(Σij) et le certificat de dépôt CBC(ij). Figure 1

MULTI-BLOCKCHAIN-BASED CROSS-CHAIN PROCESSING METHOD AND APPARATUS, DEVICE, SYSTEM, AND MEDIUM

Resumen de: US20260149607A1

This application discloses a multi-blockchain-based cross-chain processing method performed by a computer device acting as an off-chain processing device in a multi-blockchain system. The method includes: obtaining a multi-blockchain, wherein the multi-blockchain comprises a management chain and at least one other blockchain; determining, in the multi-blockchain, at least two blockchains to be processed across chains; and collaborating with a management chain consensus node in the multi-blockchain system to perform cross-chain processing on the at least two blockchains based on chain information of the at least two blockchains. In this application, comprehensive management on the multi-blockchain is implemented in a cross-chain processing manner, which improves the processing efficiency of the multi-blockchain.

Transaction Support Device, Transaction Support Program, and Transaction Support Method

Resumen de: US20260148248A1

0000 To support transactions while guaranteeing that an organism indeed possesses the genetic information with which it is associated, a transaction support device for supporting transactions of an organism, the device comprises a genetic information storage unit configured to store genetic information of the organism, and an NFT issuance unit configured to generate at least one of a pedigree certificate and digital art based on the genetic information, and to record, in a blockchain network, a user ID identifying a holder of the organism in association with a non-fungible token (NFT) associated with the at least one of the pedigree certificate and the digital art.

SECURELY PROCESSING A CONTINGENT ACTION TOKEN

Resumen de: US20260149608A1

0000 A method executed by a computing device includes identifying a contingency-action token (CAT) of an object distributed ledger that meets minimum CAT requirements. The method further includes producing a selected CAT and determining a triggered outcome is valid. The method further includes updating the selected CAT to indicate the triggered outcome to produce an updated CAT. The method further includes causing generation of a new block affiliated with the updated CAT via the blockchain of the object distributed ledger using the securely passing process, where the new block includes the updated CAT.

RECURRING ON-CHAIN TRANSFERS

Nº publicación: US20260148297A1 28/05/2026

Solicitante:

COINBASE INC [US]
Coinbase, Inc.

Resumen de: US20260148297A1

0000 Methods, systems, and devices for data management are described. A client application may receive user inputs to initiate authorization of multiple instances of a transfer of a first amount of a first crypto token from a first blockchain address associated with a blockchain application to a second blockchain address. The client application may transmit, to a blockchain address application after receiving the user inputs, a payload for signature at the blockchain address application and for registration, via a smart contract, of the authorization of the multiple instances of the transfer. The client application may broadcast one or more messages to call the smart contract, where the one or more messages are configured to trigger an instance of the multiple instances of the transfer of the first amount of the first crypto token from the first blockchain address to the second blockchain address on a blockchain network by referencing the registration.