160 results about "Distributed ledger" patented technology

A method for controlling the handling of a biological material, the method including the steps of: receiving, from a first apparatus of the plurality of apparatuses, a device associated with a user interface for inputting data relating to biological material, or a biological material packaging device, status information for the material and identification information identifying a smart contract associated with the material; querying a distributed ledger to retrieve a current status of a smart contract associated with the material; querying a data storage location that is not a secure distributed ledger to retrieve executable instructions; executing the instructions to process the status information, wherein the processing includes: validating the status information, and determining parts of the status information to store on the distributed ledger; and write to the distributed ledger to: store the determined part or parts of the status information, and update the status of the smart contract.

A policy-governed network resolution system generates a cryptographically verifiable Resolution Receipt (RR) for each identifier request. An identifier (e.g., a domain name under a BEIDNS / BEIDomain / BEITLD namespace) is routed to a resolver gateway, matched to a basepoint within a curated identifier reservoir, evaluated under a versioned policy container, and authorized by a signed scope token to enforce selective disclosure. The resolver may enrich the context with a knowledge-graph entity identifier, derive a decentralized identity root for Behavioral Economics Identity (BEI), and mint a content-addressable global object key. Minute-grade activity is metered and recorded in the RR, including policy version, reason codes, lifecycle state, audit anchors, and a signature chain, further supporting denial receipts with remediation steps. RR digests may be recorded in append-only logs and optionally anchored to a distributed ledger. Aggregated RR metrics may be streamed for real-time indexing, resource governance, and bounded rollback in IoT and real-estate embodiments.

The present application relates to the technical field of data security, in particular to a serialization traceability data verification method based on block chain, comprising: collecting physical features of labeling and packaging equipment to generate a dynamic capture pulse entropy source, and constructing a label sequence identity coupling fingerprint containing instruction stream bias and physical state texture; combining traceability code and action time offset to perform XOR packaging to generate label sequence instantaneous credentials, and introducing historical feedback values to generate label sequence topology entropy chain through hash iteration; using distributed ledger consensus nodes to analyze the entropy chain, verifying the extracted logical feature vector and hardware base state characteristics, comparing the global state root closed loop to generate a logical anchor credential, and triggering asynchronous evidence storage accordingly. Through the deep coupling of physical entropy source and recursive topology chain, the present application realizes cross-dimensional verification of equipment identity, action timing, and physical terminal and block chain nodes, ensuring the authenticity and non-tamperability of traceability data in the generation and circulation process.

Terms of a SLA between a user device of a computing system and a service provider of the computing system are identified. The service provider is to provide a service to the user device in accordance with the terms of the SLA. The terms are translated into a sequence of instructions corresponding to a smart contract, where the smart contract is to provide the user device with a service credit based on an availability of a service for the time interval and in accordance with the SLA. The sequence of instructions is transmitted to a first node of a distributed ledger network. Availability data indicating an availability of the service at the user device during each time period of a time interval is obtained. The availability data is provided to a second node of the distributed ledger network to cause the second node to execute the sequence of instructions.

This invention relates to the field of information security technology, specifically to a blockchain-based anti-tampering system for marine environmental data. The system includes a wave crest localization module, a waveform feature extraction module, a fingerprint generation module, a tag mapping module, and an on-chain storage module. In this invention, deep analysis of seawater multispectral light intensity waveform data is performed to extract wave crest curvature geometric indices and wavelength differences, constructing a set of morphological parameters. Component coupling weights are used to generate an on-chain fingerprint sequence reflecting the constraints of water quality components. Dynamic state tags are generated by mapping instantaneous flow velocity to tidal cycle flow velocity ranges. The fingerprint sequence and dynamic tags are encapsulated into blocks and subjected to fluid dynamic continuity verification. A distributed ledger consensus mechanism is used to lock the physical temporal relationship of the data, realizing a transformation from simple numerical recording to multi-dimensional logical verification of environmental characteristics, effectively avoiding the tampering risks associated with centralized storage.

The application discloses a file multi-point encryption packaging storage and transmission method and related devices, and the trust mechanism based on attribute-based encryption and blockchain fusion is combined with intelligent contract dynamic permission management to realize the encryption of the file, and a distributed ledger-based packaging and storage structure is provided, accurate matching of exchanged information and sensitive file content is realized through attribute association, cross-domain transmission requirements of one-time encryption and multi-point decryption are met, permission change can be traced through blockchain storage, and the technical level prevents the overreach of the personnel in the exchange link to obtain relevant information.

Systems and methods are disclosed for a card device that integrates eSIM technology and Distributed Ledger Technology (DLT) to provide a secure, flexible solution for handling transactions across multiple financial institutions (FIs). The card system associates a single, secure eSIM-enabled card with multiple accounts and FIs, enhancing transaction security and efficiency. The card, embedded with an eSIM, allows dynamic association with customer details and FI accounts, ensuring each transaction is authenticated on a decentralized platform without sharing sensitive information. The system employs DLT for logging transaction details and managing transaction metadata centrally, providing fraud detection and real-time settlement capabilities. The invention improves security by using cryptographic methods and real-time monitoring including geo-locating of cards and clones to prevent unauthorized access and fraud, addressing the need for a secure, multi-institution financial transaction platform.

The application provides a transformer holographic intelligent test method and system, belongs to the field of transformer testing and state evaluation, and is used for solving the problems of test system module fragmentation, information island, low data reliability and low scheduling efficiency in the related art. The application unifies the representation of test resource state, transformer physical behavior, safety risk and health degradation trend by constructing a physical information neural random field global model; realizes model collaborative updating under multi-station data privacy protection by using a federal security multi-party computing protocol; realizes trusted evidence preservation of key states and token economy closed loop by using a trusted execution environment and a directed acyclic graph-based distributed ledger; realizes adaptive optimization of resource scheduling by coupling Bayesian optimization and token price dynamics. The application can significantly improve the intelligent level, data reliability and resource utilization efficiency of transformer testing.

A blockchain-based knowledge-sharing intelligent customer service AI response accuracy optimization system, belonging to the fields of blockchain and artificial intelligence technology, is disclosed. The system includes a multi-source knowledge acquisition unit, a blockchain knowledge sharing unit, a knowledge quality assessment unit, an AI response optimization unit, and an interactive feedback and iteration unit. The multi-source knowledge acquisition unit collects customer service knowledge data from different departments, business lines, and application scenarios. The blockchain knowledge sharing unit receives pre-processed knowledge data and constructs a decentralized knowledge-sharing network based on distributed ledger technology. The knowledge quality assessment unit performs multi-dimensional quality assessments of the knowledge stored in the blockchain. The AI ​​response optimization unit trains and optimizes the intelligent customer service AI model based on high-quality knowledge samples. The interactive feedback and iteration unit collects user feedback from the intelligent customer service system. All units operate collaboratively to form a closed-loop mechanism.

The application provides a kind of unmanned aerial vehicle trusted evidence obtaining method and system, in unmanned aerial vehicle end, through the acquisition agent in hardware trusted execution environment, the original data generated in running process is collected in real time, incremental hash calculation is carried out on the original data to generate data fingerprint, and the data fingerprint and associated metadata are signed with private key at hardware level to generate source end signature data packet;Second digital signature is carried out, evidence storage transaction request is generated and submitted to alliance chain network;Through the smart contract encapsulated with judicial evidence rules, the validity of hardware level digital signature and secondary digital signature is verified;After verification, the globally unique evidence identifier is generated by the smart contract fusion data fingerprint, unmanned aerial vehicle unique identifier and on-chain timestamp, and written into the distributed ledger of alliance chain;Judicial verification end obtains corresponding data fingerprint from the distributed ledger, calculates the hash value of the evidence to be verified, and compares it with the obtained data fingerprint, to complete evidence check.

The application discloses a kind of based on distributed account book's IoT equipment use benefit right management method and system, and store the root block containing block number, internet of things equipment identification, time stamp, authority set, tenant public key and tenant signature by tenant node generation;In response to lease request, generate the first-level block containing block number, previous block hash value, time stamp, lease period, lease authority set, tenant public key and tenant signature, or by tenant in response to share request Generation of the following block containing block number, predecessor hash value, time stamp, share start end time, share authority set, sharer public key and tenant signature;The user node of request access equipment constructs authority token, which contains complete authorization chain from root block to target block and signed command message;Internet of things equipment receives token and executes hash chain verification, public key-signature chain verification and business rule verification, executes command after passing through.This way, the access permission information of the application does not have to be stored in resource party any more, but is verified by resource party with request when user access, so that user permission information and resource party are decoupled.

Arrangements are provided for generating tamper-proof quantum-resistant data structures for storing digital communications transmitted over pubic electronic mediums, such as the Internet. The digital communication may include audio and video data. The tamper-proof quantum-resistant data structures may be stored in a repository used for verifying whether digital copies, such as video clips, are authentic copies or whether they have been altered, such as by artificial intelligence, to include misinformation or disinformation.

Distributed media content history and preferences can be stored and maintained by media playback systems including one or more blockchain-capable playback devices. Content record sets, such as content experience record sets and content network record sets, can be stored via distributed ledgers and updated at least in part based on media consumption events performed or detected by playback devices, service providers, or other participants. Such distributed data can also be accessed to facilitate playback of media content for particular users, devices, households, or environments.

Systems, apparatuses, methods, and computer program products are disclosed for digital identity selection. An example method includes detecting a digital identity selection event for a user, wherein the digital identity selection event is associated with an event attribute set comprising one or more event attributes, and an event criteria set comprising one or more event criteria. The example method further includes determining, based on the event attribute set, a master digital identity associated with the user, wherein the master digital identity comprises one or more user digital identities. The example method further includes generating, based on the master digital identity, one or more bespoke digital identities. The example method further includes selecting, using a digital identity selection model, an optimal digital identity, wherein the optimal digital identity satisfies the one or more event criteria of the event criteria set, and outputting the optimal digital identity.

This invention relates to the field of distributed storage technology and provides a data collaboration method and system for distributed transaction terminals. The method involves each transaction terminal performing erasure coding on its local ledger data to generate a set of data fragments consisting of original data fragments and verification data fragments. These data fragments are then distributed and stored across different transaction terminals according to distributed storage rules, and the terminals exchange online status and fragment integrity information. When a request to access the target ledger is received, the terminal storing its fragments is located based on the ledger identifier, and the fragments are retrieved in parallel to reconstruct the target ledger. When a terminal is detected to be offline or a fragment is corrupted, online terminals collaborate to reconstruct the original data using surviving fragments, re-encode new fragments, and distribute them to healthy terminals. This invention, through erasure coding and distributed collaborative storage, reduces storage overhead while improving system fault tolerance and data availability, achieving efficient and reliable distributed ledger data collaborative management.

A system for recording and transferring digital assets featuring: (a) generate, for each transaction, output receipt identifiers (Receipt IDs), each Receipt ID being uniquely derived from transaction data and blockchain state parameters; (b) maintain a receipt state structure comprising an unspent list, a spent list, and an in-progress list; (c) upon a transfer transaction, identify one or more input Receipt IDs and temporarily classify the input Receipt IDs as in-progress; (d) determine whether: (i) each input Receipt ID is valid and unspent; (ii) a digital signature associated with the transaction is valid; and (iii) a total quantity represented by the input Receipt IDs equals a total quantity represented by the output Receipt IDs; (e) upon satisfying validation criteria, atomically: (i) classify each input Receipt ID as spent; (ii) record each output Receipt ID as unspent; and (iii) update a blockchain ledger with a transaction record referencing the output Receipt ID.

The invention presents a blockchain-based system for the tokenization, certification, and management of real-world assets, digital assets, and verified identities. It integrates Web3 domain- subdomain tokens, distributed ledger technology (DLT), decentralized identifiers (DIDs), and AI- driven verification processes to provide secure and transparent transactions. The system employs KYC subdomain tokens linked to users' blockchain wallets for identity verification, enabling compliance with regulatory standards. Hum an -readable Web3 tokens enhance asset traceability. Al and manual verification ensure efficient and accurate processing. Scalable and flexible, the system supports diverse asset types and includes time-based voiding mechanisms to address incomplete transactions, ensuring effective lifecycle management.

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.

This invention discloses a blockchain-based transaction privacy protection system and method, including a participant node module, a transaction construction module, and a dynamic monitoring module. The participant node module consists of N bank nodes, each generating a Schnorr signature key pair, where the public key verifies the bank node's identity during transactions. The transaction construction module uses Pedersen commitments to hide transaction amounts, generating commitments and introducing non-interactive zero-knowledge proofs. The dynamic monitoring module uses a consensus mechanism to dynamically elect a monitoring node from the N bank nodes. The monitoring node initiates monitoring requests to target nodes, verifies the consistency of returned data with the distributed ledger, and revokes the monitoring node's monitoring authority upon completion of the monitoring task. Compared to previous models that introduced third-party monitors, this invention offers higher security and is better suited for distributed system architectures.

Systems and methods are provided for recording ownership information in a distributed ledger (such as a blockchain), and for performing application processing utilizing the distributed ledger. An example server computer system is configured to: record on a blockchain ownership information of an asset; to configure, for each owner of the asset, a digital wallet associated with a private cryptographic key and at least one blockchain address; using a blockchain address from a digital wallet to access ownership information in the blockchain; perform application processing using the accessed ownership information; and record in the blockchain, updated ownership information or other information associated with the ownership information in accordance with the performed application processing.

This invention discloses a blockchain-based Virtual Power Plant Adjustable Resource (RWA) trading system and method, relating to the field of blockchain energy trading technology. The system determines the device's execution capability in the current power direction based on its operating parameters and generates a directional reachability flag. A security unit digitally signs the data containing the directional reachability flag to generate a hardware signature receipt. Blockchain nodes verify the receipt's validity and update the resource circuit breaker status in the distributed ledger based on the directional reachability flag. The system performs directional constraint verification on scheduling requests based on the current resource circuit breaker status. If the requested power direction is not blocked, a scheduling event is generated, and the device executes the action and provides feedback on the execution proof via a smart terminal. This invention achieves fine-grained management and asymmetric control of the execution capability of distributed energy devices, effectively improving the utilization rate of adjustable resources in a virtual power plant while ensuring security.

Various examples are directed to computer-implemented systems and methods for customer onboarding using a blockchain. A method includes accessing, by a first financial institution, onboarding request data from a computing device associated with a first prospective customer, the onboarding request data comprising identifier data describing the first prospective customer. The identifier data is used to identify a block of a distributed ledger comprising first data describing the first prospective customer, the first data provided to the distributed ledger by a second financial institution different than the first financial institution. A fraud screening of the first prospective customer is executed using the identifier data and the first data. Based on determining that the first prospective customer meets onboarding criteria, an account opening gateway is created for the first prospective customer, and an account is opened at the first financial institution for the customer in response to the onboarding request data.

Present disclosure provides system and method for enabling a secure and verifiable process for Application-to-Person (A2P) SMS transmission using Distributed Ledger Technology (DLT) network. The process commences with registering a plurality of entities involved in SMS delivery; each assigned an identifier. A predefined SMS delivery path may then be established based on the identifier, and a predefined hash value is determined and stored on the DLT network. During real-time SMS transmission, the actual sequence of entities traversed by the SMS is used to generate a real-time hash value, which is then compared with the predefined hash value. If both the hash values match, the SMS may be delivered, ensuring compliance with the approved route. If they do not match, the SMS may be rejected, preventing unauthorized message manipulation, thus ensuring that SMSs follow an authorized and predefined delivery path, preventing fraud and unauthorized routing.

A computer-implemented system for cryptographically authenticated state synchronization within a distributed ledger uses a digital synchronization agent to irrevocably and synchronously transfer digital security positions and corresponding digital fiat instruments between digital instrument containers. A deterministic supervisory verification framework redundantly executes verification of transfer requests using a quorum of nodes, distributing trust across the network. The system generates priority timestamps using a deterministic consensus protocol that excludes mining operations, proof-of-work operations, and probabilistic finality mechanisms. The system appends the priority timestamps to transfer operations based on consensus, generating immutable execution paths with sub-threshold latency. The system synchronizes digital security position states in real-time with digital fiat instrument states, preventing deferred state synchronization.

A computer-implemented system and method to collect and store data related to product stored in a container. In response to filling the container with the product, the following data are stored in at least one first record in an external database (such as a distributed ledger, e.g., blockchain): a product type of the first product; an amount of the first product filled into the first container; a unique identity of the first container; and a unique identity of a first user of the first container at the time of filling the first container with the first product. Data representing a unique identity of a container data module on the container are stored in the container data module. As the container moves, dispenses product, and undergoes changes in possession and ownership, data representing such events are stored in the distributed ledger and / or the container data module. As a result, a verifiable application / consumption record of the product within the container is generated.

This application discloses a distributed data service sharing method, which relates to the field of data sharing technology. The method framework keeps the original data locally on the data provider's local machine, and only supports data users to discover data by registering the metadata information of the shared data. At the same time, it combines technical mechanisms such as hybrid encryption, authorized lists and distributed ledgers to achieve secure and efficient data sharing.

Systems, methods, and devices for monitoring and controlling communications between autonomous agents are disclosed. The system monitors real-time communications between autonomous agents, intercepting and recording each communication. Communications are translated to a standardized language and processed through communication protocol filters that evaluate compliance with predefined operational policies. The system parses each translated communication to identify policy violations. When violations are detected, the system modifies communications to ensure compliance with operational policies. All communications and modifications are recorded via distributed ledger technology for audit and accountability purposes. This approach enables comprehensive oversight of autonomous agent interactions while maintaining tamper-proof records of all monitoring and control activities.

A Proof-of-Identity (PoI) consensus mechanism which enables secure, decentralized consensus by ensuring that each participating node in the network represents a unique, verified human identity without sole reliance on a central authority. Identity nodes are assigned to participants who have undergone identity verification steps that the network can independently verify. New blocks or records are added to the distributed ledger based on votes from a pseudo randomly selected subset of identity nodes. Each identity node has equal voting power, based on the unique identity it represents, ensuring that voting is not influenced by computational resources or capital holdings. This mechanism aims to achieve a majority representation of honest participants, increasing the security and integrity of the ledger without introducing any centralized governance or control mechanisms.

This invention relates to the fields of intelligent manufacturing and digital twin technology, proposing an edge-distributed ledger collaborative trustworthy closed-loop digital twin virtual-physical interaction method (ELC-TCL) for carbon-based material manufacturing workshops. Specifically, it describes an ELC-TCL virtual-physical interaction method for carbon-based material manufacturing workshops. For high-priority critical data, this invention superimposes digital signatures and hash digest verification in the transmission and storage links to reduce the risks of data forgery, tampering, and replay, ensuring the authenticity and integrity of the data upon which the twin model and on-site control decisions are based. Through an integrated design of "edge perception—data governance—trustworthy ledger—security enhancement," this invention achieves end-to-end trustworthiness and highly reliable collaboration in workshop virtual-physical interaction, from data collection, transmission, and storage to traceability. This significantly improves the transparency of carbon-based material manufacturing processes, enhances process optimization efficiency, and improves anomaly tracing capabilities, demonstrating significant engineering application value and innovation.