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149
resultados
Última actualización
03/05/2025 [07:43:00]
Resultados 50 a 75 de 149
Resumen de: US2025132936A1
Example systems and methods include: receiving, by a computing system, a request to add a block to a blockchain, wherein the block includes an entry that relates to a semantic representation, wherein the semantic representation encodes a state change to a state stored on the blockchain; obtaining, by the computing system, a copy of the semantic representation as provided by a trusted third party, wherein the copy of the semantic representation is digitally signed by the trusted third party or provided by the trusted third party at a network address; validating, by the computing system, the semantic representation; and initiating, by the computing system, procedures to add the block to the blockchain.
Resumen de: US2025132898A1
A process for managing security of a blockchain may include receiving a message from a P2P distributed application requesting access to a block on a blockchain for a user. In response to receiving the message, identity of the user requesting access to the block may be validated. In response to validating the identity of the user, the requested access to the block may be performed by (i) requesting a key associated with the identified user to be used to unlock the block, and (ii) in response to receiving a key associated with the user, unlocking the block to access content data stored in a data object contained in the block. A distributed data management system (DDMS) may be configured to perform the process.
Resumen de: US2025132903A1
A computer-implemented method includes encrypting a plaintext message to a cryptographic public key in accordance with an identity-based encryption scheme using at least a congress public key to generate an encrypted message, wherein the congress public key is associated with members of a congress, respective members of the congress having access to private key shares usable in a threshold decryption scheme in which at least a threshold of private key shares are sufficient to derive a decryption key through the combination of partial contributions to the decryption key on behalf of the congress, generating, using at least a cryptographic private key corresponding to the cryptographic public key, a digital signature over a first set of instructions to perform cryptographic operations upon an occurrence of an event; and broadcasting one or more transactions to a proof-of-work blockchain network, the one or more transactions comprising the encrypted message, the cryptographic public key.
Resumen de: US2025130623A1
An embodiment registers a node and a data object on a blockchain. The embodiment schedules by a Scheduler an object task associated with the data object in a Data Controller, generating a task execution token by the Data Controller on the blockchain where the task execution token is associated with the object task. The embodiment senses the task execution token by the node received from the Data Controller; responsive to the sensed task execution token executes the object task on the node and generating a node energy consumption metric and an energy consumption token of the object task on the blockchain. The embodiment also sends the energy consumption token to the Data Controller from the node causing a smart contract to compute a task energy consumption metric based on the node energy consumption metric where the data object on the blockchain is updated with the task energy consumption metric.
Resumen de: US2025131994A1
Embodiments described herein provide for a healthcare ecosystem of computing devices participating as nodes of a distributed ledger (e.g., blockchain). The distributed ledger includes NFTs representing corresponding patients, where the initial NET behaves logically as a token scaffold that represents a “digital twin” of the particular patient. The initial patient token represents personal profile data of patient personal data for the patient. The nodes may generate new data and/or new sub-tokens (or other blockchain entry type) representing new data, which the nodes associate with the token scaffold. The sub-tokens contain data for representing physical or digital specimens, health data, and data derived from the health data (e.g., cell lines, organoids, other model systems). As the nodes generate and associate new sub-tokens to the patient's token scaffold over time, the token scaffold graphs and facilitates integration of patient-specific data and evolves into a robust electronic health record (EHR) and digital twin.
Resumen de: WO2025081233A1
A system and method for processing of organic waste, the system comprising: a converter reactor (such as having pyrolytic characteristics); an input waste feed material identification subsystem; one or more energy generators; one or more sensors for acquiring at least processing data; a communication bus for remote monitoring and control of the system; and artificial intelligence agents for making localised decisions (and optionally remote decisions) The system is configured to autonomously select or control the processing according to at least the identity of the waste feed material, and the system is configured to be controlled according to at least the processing data. The system may be equipped with or configured to be controlled according to smart contracts within blockchain digital ledgers that may be connected to a carbon trading exchange.
Resumen de: WO2025081569A1
Disclosed in the present application are an access control system and method, and an electronic device, which are used for solving the problem of data being unavailable or data being accessed without authorization caused by a single-point failure in ABAC. The access control system comprises: a DU, a PEP, a blockchain and a smart contract, wherein the blockchain is used for sending a ciphertext hash value and a ciphertext storage address to the DU after receiving consent information which indicates consent for AR access or validity information which indicates that a multi-signature is valid, the consent information being sent by the PEP or the DU on the basis of an evaluation result which is obtained after an AR is evaluated by the smart contract, and the validity information being sent by the PEP or the DU on the basis of the multi-signature which is generated for the AR by the blockchain by means of an ASM algorithm; and the DU is used for acquiring ciphertext and a random number on the basis of the ciphertext storage address after receiving the ciphertext hash value and the ciphertext storage address from the blockchain, performing legitimacy verification by means of a PCH algorithm, and using the ciphertext once it is determined that the ciphertext, the random number and the ciphertext hash value are legitimate.
Resumen de: WO2025081741A1
A joint risk control method based on a blockchain and a generative adversarial network. In the method: in a trusted execution environment, a generative adversarial network model is used to train local data of a bank, e-commerce enterprises, and Internet companies to obtain virtual data of the bank, the e-commerce enterprises, and the Internet companies, and a local differential privacy algorithm is used to protect intermediate parameters generated in a training process of the generative adversarial network model; then, blockchain nodes collect the virtual data to jointly train a logistic model; finally, the bank uses the logistic model to predict whether a user has a default behavior. Further disclosed is a joint risk control system based on a blockchain and a generative adversarial network.
Resumen de: WO2025083702A1
The present invention provides a decentralized electricity trading platform200 architecture comprising a plurality of prosumers, having an access to the blockchain network to provide a peer-to-peer transaction based on a consensus The decentralized electricity trading platform 200 architecture includes one or more layers to enable the transaction. The layers of the decentralized electricity trading platform200 includes (i) A smart contract layer 204 having decentralized self-executing smart contracts 210(a), 210(b) for receiving the real- time power demands and supply from one or more prosumer and is configured to perform one or more transaction, (ii) A Physical and Optimization Layer (POL) 202 in communication with the contract layer, to perform optimizations for reaching a consensus between prosumers and (iii) A monetary settlement layer (MSL) 206 in communication with the digital contract layer to execute monetary transaction after execution of one or more smart contracts.
Resumen de: WO2025085178A1
A system and method for enabling dynamic expiration dates in a payment card. An algorithm executes on a computing device to create a private blockchain that is controlled by an inquiry block exchange. A payment card holder (PCH) metablock is generated when a first payment card issuer creates a PCH profile. This PCH profile is maintained within a security zone on the network. The security zone comprises multiple modules. These modules include a dynamic smart contract (DSC) execution engine module for generating a DSC hash value that identifies the DSC for the PCH profile metablock. A hyper-ledger fabric module enables dynamic parameters to be stored as an asset in the DSCs. A metablock generator module creates a PCH profile metablock and hashes the data in a subscribed hashing algorithm. The hashed data includes private keys and cryptographic keys in a secured element section of the PCH profile metablock.
Resumen de: WO2025085385A1
Systems and methods for novel uses and/or improvements to blockchains and blockchain technology. As one example, systems and methods are described herein for self-validating digital records that may be transferred in real-time through a cross-network registry. For example, in a conventional system, minting a token (e.g., a digital record) involves writing a self-executing program that defines the transfer rules of the digital record. Once the self-executing program is written, it is deployed on a blockchain, and the digital record is minted by publishing it to a blockchain.
Resumen de: WO2025085166A1
Systems, methods, and computer program products for tracking funds transfers are provided. A system includes at least one processor of an administrative node in a blockchain network, the at least one processor programmed to establish a unified ledger stored by a plurality of nodes of the blockchain network, receive transaction data for a plurality of transactions processed by a plurality of different systems via an interoperable protocol while each transaction of the plurality of transactions is being processed between at least two systems of the plurality of different systems, store, in the unified ledger, the transaction data, and automatically monitor the transaction data in the unified ledger to detect anomalous transactions.
Resumen de: WO2025084724A1
A method and a system for verifying a signature in a blockchain consensus process are provided. The method for verifying a signature, according to an embodiment of the present invention, comprises steps in which: a specific validator node in a blockchain system receives a request message for a signature verification operation of transactions in a block received from another validator node; and the validator node that received the request message performs the signature verification operation on the transactions in the received block. Therefore, the signature verification operation can be skipped.
Resumen de: EP4542474A1
The present invention relates to a system for processing the signing of a blockchain transaction, the system comprising:a) a digital storage medium configured to store a portion of an access-key for signing blockchain transactions; andb) a signature terminal comprising an input means configured to receive an input representative for the remaining not-stored part of the access-key to complete the signature, whereina transaction to be signed on a blockchain is signed by a signing module based on a combination of the stored part of the access key on the digital storage medium and the input by the input means of the signature terminal.
Resumen de: CN119301903A
Systems and methods for mitigating network congestion on a blockchain network by supporting blockchain operations via under-chain interactions. For example, when a communication is received that initiates an under-chain event and/or blockchain operation, the system may determine various characteristics regarding addresses involved. In particular, the system may determine whether an address corresponds to a cryptographic-based storage application that shares a common platform service.
Resumen de: US2024202763A1
Methods and systems are presented for providing rewards and enhanced user experience via blockchain technologies. A reward system uses blockchain technologies to evaluate one or more attributes of a wireless connection between two user devices. A first user can scan a code associated with an instance of a product, where the instance of the product is associated with a second user. A wireless connection can then be established between the two devices, and content stored on the device of the second user and associated with the instance of the product can be transmitted to the device of the first user. Certain attributes of the wireless connection and the content shared can determine what type of reward the second user is given.
Resumen de: EP4542967A1
The present disclosure relates to a system and method for changing a shard (working shard) with which an account is affiliated to another shard (working shard) in a blockchain network applying dynamic sharding technique. In the present disclosure, the node is a node affiliated with an origin working shard of a first moving account and communicates with a first home shard-affiliated node of the first moving account and a first destination working shard-affiliated node of the first moving account to perform a working shard change procedure for the first moving account. The node includes a working shard change detection unit that detects whether a working shard of the first moving account is changed, and a working shard change request unit that requests a working shard change for the first moving account to the first destination working shard-affiliated node.
Resumen de: EP4542932A2
The computer-implemented invention provides a method and corresponding system for controlling access to and/or use of an internet-enabled resource. The invention uses a distributed electronic ledger such as, for example, the Bitcoin blockchain. The resource may be an IoT device or system. Access to the resource is permitted or enabled upon provision of a cryptographic key e.g. a private key which corresponds to a public key which has been stored in memory. In one embodiment, the public key is stored in a DHT. Access to the resource is prevented or disabled by removing the public key from memory, and using a redeem script of a blockchain Transaction to spend a tokenised output of a further blockchain Transaction. The process of communicating the requisite cryptographic keys and transferring funds is performed via the blockchain. The keys are communicated as tokens in the metadata of transactions scripts. In use, when access is requested by the user, an encrypted message is sent to the resource. The message has been encrypted using the user's private key. If the resource can use the previously communicated public key to decrypt the message, access can be granted. The invention is particularly suited for use in situations where temporary access or use of the resource is to be granted eg rental scenarios.
Resumen de: US2025125971A1
An electronic system for creating and maintaining a network of companies having legal obligations with each other, includes: an electronic legal document provider configured to electronically provide a legal document; and obtain a signed legal document for a company, wherein the signed legal document is based on an electronic signature applied for the legal document; a subscription engine configured to obtain subscription information for the company, and register the company as a subscriber for the network of companies based on the subscription information; and a processing unit configured to obtain blockchain information associated with a block of a blockchain, wherein the block of the blockchain is created based on the signed legal document after the company is registered as the subscriber for the network of companies.
Resumen de: US2025125961A1
The disclosed computer-implemented method may include pre-minting at least one NFT on a blockchain by a token management service in advance of the token management service receiving a request for the at least one NFT; receiving, by the token management service, the request for the at least one NFT; and providing, by the token management service, the at least one pre-minted NFT in response to the request. Various other methods, systems, and computer-readable media are also disclosed.
Resumen de: AU2023345849A1
The application discloses mining nodes in a mining network, a commitment database server, a data broker server, methods of operation thereof and computer program products for establishing an externally verifiable proof of work as immutable evidence of computational work completed by the mining node to generate a private data output, the proof of work being for use in appending a block record to a blockchain.
Resumen de: WO2025076889A1
The present invention provides a blockchain-based intellectual property transaction platform, comprising an identity authentication module used for authenticating the identity of a user and performing behavior authorization; a smart contract module used for the user to release an intellectual property product and perform custom release of a smart contract, the smart contract providing basic information and transaction contract information of the intellectual property product, and the intellectual property product comprising a product in an unauthorized state and a product in an authorized state; a legal status authentication module used for authenticating the authenticity and consistency of ownership information and legal status information of the intellectual property product released by the user; and a contract verification module used for verifying the basic information in the smart contract in the transaction process of the intellectual property product. On the basis of the present invention, the user can perform custom release of a smart contract, making transaction types and transaction objects richer and more comprehensive, and transactions more transparent, thereby greatly improving the activity level of transactions.
Resumen de: WO2025076611A1
A method includes receiving, from a source user account associated with a source digital wallet of a source blockchain, a request to perform a cross-chain operation from the source blockchain to a destination blockchain. The source blockchain is associated with a source token contract that stores a delta value indicative of a difference between a total number of tokens having an attribution property in circulation of the source blockchain and a number of tokens having the attribution property in circulation of the source blockchain that are accounted for by a vault of a primary blockchain. The attribution property identifies a token issuer. The method further includes causing a cross-chain message including a transaction payload to be generated based at least in part on the delta value, and causing the transaction payload to be applied to the destination blockchain.
Resumen de: WO2025079632A1
PROBLEM To provide a system that can be easily managed by registering dance choreography with a relatively small amount of data. SOLUTION The present invention is configured as follows. The following are stored: image data items of choreography-forming movements which are movements by which it is possible to form a series of choreographic movements for a dance; and movement codes which are associated with image data items of a plurality of different choreography-forming movements. A connection is made to a blockchain to which is recorded choreography code registration information in which a choreography code related to choreography and a creator ID related to the creator of the choreography are bound. In accordance with the temporal order of choreography-forming movements that form the choreography which a user is attempting to register, it is determined whether a binding code that binds a movement code corresponding to image data of the choreography-forming movements and/or the user ID of the user who created the choreography that the user is attempting to register differs from choreography code registration information already recorded to the blockchain. If it has been determined that there is a difference, information in which the binding code and the user ID are bound is registered to the blockchain as choreography code registration information, and as a result thereof, the choreography is registered.
Nº publicación: WO2025078913A1 17/04/2025
Solicitante:
REIN NETWORK LTD [GB]
REIN NETWORK LTD
Resumen de: WO2025078913A1
Systems and methods for settlement of cross-border and cross-currency payments. The system provides at least one bond liquidity provider, at least one depositary, a transferor and transferee, a first and second financial institution, a foreign exchange service provider, a blockchain, and an authority server controlled by a network manager. The transferor specifies a payment amount denominated in a second currency to the transferee who receives it in a first currency. The bond liquidity provider deposits at least one government bond in a first currency into the depositary, the foreign exchange service provider converts the payment amount to a received amount, the first financial institution orders the minting of at least one government tokenized bond (GTB) token, the second financial institution credits the transferee with the received amount after receiving the GTB token, and the authority server broadcasts a transaction on the blockchain authorizing the transfer.
BOPI
Sede Electrónica
