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98
resultados
Última actualización
21/09/2025 [07:18:00]
Resumen de: US2025293863A1
A method for implementing distributed key generation in a blockchain by a blockchain node includes: generating n secret shares, retaining a share and respectively encrypting a remaining n−1 secret shares by using keys of receivers, generating a public verification parameter corresponding to a secret share of the blockchain node, generating a zero-knowledge proof indicating that the secret share of the blockchain node and the public verification parameter match, sending the secret share, the public verification parameter, and the zero-knowledge proof to an on-chain contract by using a transaction, verifying, by the on-chain contract based on the zero-knowledge proof, that the encrypted secret share and the public verification parameter match, obtaining, from contract information, a verified secret share corresponding to the blockchain node, performing decryption by using a key of the blockchain node, and calculating a private key share of the blockchain node based on a local secret share.
Resumen de: US2025293862A1
Systems and methods described herein relate to techniques that allow for multiple parties to jointly generate or jointly agree upon the parameters for generation of a smart contract, such as a verification key. Execution of the smart contract may be performed by a third party, for example, a worker node on a blockchain network. Techniques described herein may be utilised as part of a protocol in which parties of a smart contract share powers of a secret in a manner that allows each party to determine an identical common reference string, agree on parameters for a smart contract, agree and/or make proportionate contributions the smart contract, and combinations thereof. The smart contract may be published to a blockchain network (e.g., Bitcoin Cash). The protocol may be a zero-knowledge protocol.
Resumen de: US2025293896A1
Methods and systems for uses and/or improvements to blockchain technology. In particular, the methods and systems described herein implement a novel cryptographic resource standard that provides functionality for complex communications. The novel cryptographic resource standard allows for blockchain functions that may involve single cryptographic resource transfers or batch cryptographic resource transfers as well as on-chain batching of one or more cryptographic resources.
Resumen de: US2025294079A1
Systems and methods for continuous tracking of media file playback. First, transaction data from a platform stream is received. The transaction data corresponds to a request to play a media file from an end user, as well as continuous play information. Next, the transaction data is verified. Then, the verified transaction data is signed using a cryptographic signature. Next, it is determined whether the transaction data corresponds to a valid blockchain transaction. If the transaction data corresponds to a valid blockchain transaction, the valid blockchain transaction is recorded to a blockchain. Last, the transaction data and the cryptographic signature are transmitted to one or more validation nodes.
Resumen de: EP4618474A1
Provided in the present application are a cross-blockchain transaction processing method, a related device, a storage medium and a product. The cross-blockchain transaction processing method comprises: acquiring from a source blockchain network a cross-blockchain transaction processing request by means of a first interface node, and distributing the cross-blockchain transaction processing request to a first number of repeaters; by means of the repeaters, performing first verification on the cross-blockchain transaction processing request and signing same to generate sub-signatures; by means of a signature aggregation node, after a second number of sub-signatures are received, generating a first signature of a relay system, and sending the cross-blockchain transaction processing request and the first signature to a target blockchain network, such that the target blockchain network performs second verification on the first signature and processes the cross-blockchain transaction processing request, wherein the second number is smaller than the first number. The embodiments of the present application can be applied to various scenarios such as blockchains, virtual digital assets, and security technology. The embodiments of the present application can reduce resource consumption while cross-blockchain security is achieved.
Resumen de: EP4617975A1
Method of tracking (M1) metal components (10) of scaffolding (1) used on the construction site (150) and/or in storage at distribution and rental points (160), comprising the following steps: arranging (F1) at least a plurality of metal components (10) for scaffolding (1); fixing (F2) to each metal component (10) at least one identifier element (20) configured to be associated with one or more information data relating to the respective metal component (10), wherein the identifier element (20) has at least one univocal identifying information (A) configured to also univocally identify the respective metal component (10) to which it is fixed; creating (F3) an univocal digital twin (60) relating to each metal component (10) in a digital environment (B) that includes a computer network based on a blockchain technology or platform, wherein the digital twins (60) are univocally created (F3) by a simultaneous and massive operation of detecting the identification information (A) present in the identifier element (20) of each metal component (10), wherein the creation step (F3) of each digital twin (60) includes, or is followed by a creation operation (F3.4), for each digital twin (60), of a permanent register (R) of events (E), which is non-removable and non-erasable, wherein each event (E) identifies a certain status condition of the respective metal component (10) and is entered into the respective permanent register (R) of events (E), wherein each entered event (E) is non-removab
Resumen de: EP4617974A1
Method of manufacturing and storing (M1) metal components of scaffolding (1), comprising the following steps: manufacturing (F1) and arranging (F2) at least one plurality of metal components (10) for scaffolding (1); fixing (F3) to each metal component (10) of the corresponding plurality of components at least one identifier element (20) configured to be associated with one or more information data relating to the respective metal component (10), the at least one identifier element (20) presenting at least one univocal identifying information (A) configured to also univocally identify the corresponding metal component (10) on which it is fixed; creating (F4) a univocal digital twin (60) of each metal component (10) of the corresponding plurality of components, in a corresponding digital environment (B) where the digital environment (B) includes a computer network based on a blockchain technology or platform, the digital twins (60) being univocally created (F4) through a simultaneous and massive operation of detecting the identifying information (A) present in the at least one identifier element (20) of each metal component (10) manufactured and arranged, the creation step (F4) of each digital twin (60) comprising, or being followed by a creation operation (F4.4), for each digital twin (60), of a permanent register (R) of events (E), non-removable and non-erasable, in which each event (E) identifies a certain status condition of the respective metal component (10) and is enter
Resumen de: EP4617978A1
There is provided a computer-implemented method of maintaining, by a first party, a title registry database for recording transfers of tokens issued by an issuer. Each token is associated with a quantity of cryptocurrency. The method comprises monitoring a blockchain for blockchain transactions comprising transfers of tokens issued by the issuer; and, responsive to determining a first blockchain transaction comprising a transfer of a token issued by the issuer recorded in the blockchain, recording the transfer of the token in the title registry database.
Resumen de: CN120283379A
A computer-implemented method of generating a challenge blockchain transaction, where the challenge blockchain transaction is associated with a puzzle and an attestation criterion, where the puzzle is satisfied by a puzzle solution, and where the attestation criterion is satisfied by an attestation, the method comprising: generating a first locking script of the challenge blockchain transaction, when executed together with a first unlocking script of a deblockchain transaction comprising a candidate puzzle solution, a public key, a candidate attestation, and a signature generated for the deblockchain transaction, the first locking script is configured to: verify whether the candidate puzzle solution satisfies the puzzle; verifying whether the signature is valid for the public key; and verifying whether the candidate proof meets the proof criteria, where the proof criteria require that the candidate proof is derived from the candidate puzzle solution and the public key; and providing the challenge block chain transaction to one or more nodes of a block chain network.
Resumen de: WO2025186987A1
Provided is a transfer system or the like for realizing data transfer between blockchains without holding a write client. A terminal device of a representative includes: an inter-blockchain communication unit that transmits transfer data generated by a host blockchain to a transfer-destination blockchain, receives transfer data addressed to the host blockchain generated by the other blockchain, generates a signature request slip indicating the state of the transfer data on the basis of the transfer data generated by the host blockchain, receives a signature request slip generated by the other blockchain, and generates a signature using a signature key for information generated on the basis of all the signature request slips; and a hash chain storage unit in which all the signature request slips and a set of a plurality of signatures generated by terminal devices of a plurality of representatives are stored as blocks of a hash chain. The hash chain is disclosed to participants of the host blockchain and participants of the other blockchain.
Resumen de: WO2025185892A1
A computer-implemented method is provided of processing blockchain transactions. The method comprises: applying a regular expression to blockchain transactions to selectively identify target data meeting a search criterion defined by the regular expression; and initiating an action in response to identifying the target data.
Resumen de: WO2025188718A1
A method for facilitating permission-based cryptographic transactions across service providers includes: receiving a request including permission data and an identification value from a first computing system, the identification value being associated with a first blockchain wallet for a blockchain associated with a blockchain network; generating (1) a permission token based on the permission data and (2) an alias, the permission token including verified identity data points; transmitting the generated alias to the first computing system in response to the request; receiving a token request from a second computing system, the token request including the alias; and transmitting the generated permission token identification value to the second computing system in response to the token request.
Resumen de: WO2025188684A1
A method is disclosed that may include receiving, via a secure regulatory compliance interface, form content and jurisdictional parameters, processing form content using a Forms Compliance Processing Unit (FCPU) configured to apply compliance rules. The method may include extracting compliance-relevant text using an Intelligent Optical Character Recognition (iOCR) engine and comparing extracted text to a structured compliance database. Also, the method may include generating a compliance checklist using an Automated Workflow & Document Processing System (AWDPS). Further, the method may include verifying form compliance through a machine-learning-driven compliance decision engine and modifying form content using a Compliance Review and Form Generation Module (CRFGM). The method may include securing regulatory submission using a Secure Regulatory Filing Interface (SRFI). Moreover, the method may include tracking submission changes with a blockchain-based audit ledger. Also, the method may include submitting a finalized compliance forms to a regulatory authority via an API integration.
Resumen de: WO2025187918A1
An electronic apparatus may: acquire a token identifier corresponding to an offline-transition request; and transmit, to an operation server by means of a private key included in a predetermined offline-transition key pair, which is an asymmetric key for offline-transition, pre-offline digital currency including the token identifier, quantitative information of digital currency to be issued by offline-transition, and a public key of a predetermined blockchain key pair or a token signature signed for a value derived from the public key. The electronic apparatus may receive, from the operation server, offline digital currency including an authority signature that has been signed by an offline-transition authority key for pre-offline digital currency. The electronic apparatus may update offline digital currency information of a corresponding account on the basis of the offline digital currency. The authority signature may be generated by the operation server on the basis of verification of the predetermined offline-transition key pair, validation of the token identifier, balance of the online digital currency, and signature verification by the token signature.
Resumen de: US2025286852A1
The present application discloses determining a mailbox name based on a first blockchain address, and determining the registration permission status of the mailbox name based on a transaction record and a verification balance sent from the first blockchain address to the server blockchain address for verification within the verification time limit. If the registration permission status of the mailbox name is permitted, the first blockchain mailbox is registered. Through the blockchain mailbox of the present invention, both parties in blockchain transaction can communicate and exchange directly through mailbox through the blockchain address at the time of the transaction.
Resumen de: US2025286848A1
An information communication device is disclosed. The device includes: an email sending unit that sends an email from one account to another account; a remittance control unit that generates a remittance transaction for sending cryptocurrency from the one account to the another account when sending the email and broadcasts it to a blockchain; an email receiving unit that receives an email sent from another account to the one account; a reception control unit that accesses, when receiving the email, the blockchain to confirm a status of cryptocurrency from the another account to the one account and identifies the received email as a legitimate email when a deposit amount confirmed is not less than a predetermined threshold; a refund control unit that refunds cryptocurrency when the received email is identified as the legitimate email; and a threshold control unit that adjusts the threshold depending on a type of the received email.
Resumen de: US2025285110A1
The invention resides in a blockchain-implemented method of creating a tokenised resource having a predetermined and/or yet unknown digital product or outcome. The product format or outcome is pseudo-randomly determined and masked upon creation, and set in place by events prior to unmasking. The invention is applicable to digital equivalents of real-world resource or event, such as purchasing collectors' cards and partaking in games of chance that have pseudorandom outcomes. The requester of the token, who is the beneficiary of the product or outcome, makes a commitment prior to token creation and the corresponding proof is a factor in the outcome. The token defines a product or outcome having a format (F), wherein said format is determinable from a proof of the commitment, masked, and one of a plurality of formats (F). The token includes instructions configured to process the proof to unmask and determine the format. The instructions can be locked by a signature(s), and said signature is determined from the proof to unlock said instructions.
Resumen de: US2025285108A1
A method includes causing a transfer function of a token contract to be executed to transfer a set of tokens from a sender associated with a first digital wallet to a receiver associated with a second digital wallet. The set of tokens is determined based on a transaction payload including at least one of: a number of attributed tokens debited from an attributed token balance of attributed tokens having a first attribution property identifying a corresponding token issuer, or a number of float tokens debited from a float token balance of float tokens. The method further includes storing a total token balance for the sender, including the attributed token balance and the float token balance, with a space complexity that is sublinear with respect to a total number of token issuers due to the attributed token balance or the float token balance.
Resumen de: US2025285125A1
A system, method and process for product authentication and verification using Near Field Communication (NFC) technology, blockchain technology (Hyperledger), and cryptography. A unique product identifier is generated for a unique individual product, incorporated into a data structure for that product, and the data structure is recorded to a blockchain initiating an immutable record for the unique product identifier. An NFC tag is encoded with a tap-unique URL that comprises the unique product identifier and a cryptographic output and the tag is affixed to its corresponding unique individual product. Each time the tag is tapped by an NFC proximity coupling device, a web client operating on the proximity coupling device reads and opens the URL whereupon the tag is verified using a cryptographic verification process and generating a verification result. The verification result is transmitted to and recorded on the blockchain ledger for the unique product identifier, thereby creating an immutable record of each tap interaction result of the tag affixed to the product. In embodiments, a verification certificate comprising the verification result is transmitted to the web client operating on the proximity coupling device for viewing by a user.
Resumen de: US2025285126A1
A system, method and process for encoding a near field communication (NFC) tag for use in product authentication and verification and to create an immutable tap transaction record. A unique product identifier is generated for a unique individual product and recorded to a blockchain initiating an immutable record for the unique product identifier. An NFC tag is encoded with a unique URL comprising the unique product identifier affixed to its corresponding unique individual product. Upon tapping by an NFC proximity coupling device, the authenticity of the tag is verified using a cryptographic verification process, and the corresponding blockchain transaction identifier is determined. The verification result and tap interaction data is transmitted to and recorded on the blockchain ledger for the unique product identifier, thereby creating an immutable record of each tap interaction result of the tag affixed to the product.
Resumen de: US2025285201A1
A computerized method for securing and performing a transaction, the method including receiving, at a computing system from a first party, a request to start the transaction; verifying the identity and a role for the first party; identifying, from the request, a transaction type and parties to the transaction; starting a workflow for the transaction based on the transaction type; sending, based on the workflow, requests for information to the parties to the transaction; receiving the information; and storing the information in a blockchain for the transaction.
Resumen de: US2025285090A1
Described are systems and methods that provide an interface between financial service provider systems and blockchain ecosystems. A system may include a set of modules interfacing a financial service provider system, the set of modules including an adaptor module integratable with a core processing system of the financial service provider, and a UI module including a library of functionalities that are integratable with a UI application of the financial service provider system. The system may also include a blockchain integration module configured to adapt to the one or more blockchain ecosystems and translate one or more operations specific to a type of a blockchain ecosystem into uniform API calls. The system may further include an orchestration module in communication with the blockchain integration module via the API calls and configured to facilitate a transaction including a fiat transaction via the one or more blockchain ecosystems or a tokenized digital asset or liability transaction.
Resumen de: US2025285083A1
An apparatus, including a central processing computer which is specially programmed to process recruitment, job searching, project searching, or scheduling, information; and a distributed ledger and blockchain technology system. The central processing computer provides or transmits an electronic forum to a user communication device, wherein the central processing computer receives, from a user communication device, information for engaging in a recruitment, job searching, project searching, or scheduling, activity, in or via the electronic forum, and the central processing computer provides a videoconference call between the individual and an employer or hiring entity or between the individual and a job applicant. Upon a conclusion of the electronic forum, the central processing computer generates an electronic forum report containing information regarding an activity or activities of the individual in or during the electronic forum. The electronic forum report is stored in the distributed ledger and blockchain technology system.
Resumen de: US2025284776A1
Systems and methods for detecting fraudulent streaming activity. Streaming activity is posted to a blockchain by one or more DSPs. Blockchain streaming data is extracted from the blockchain and used as input in a machine learning model. The machine learning model takes the extracted blockchain data, along with additional inputs such as DSP trend pool and social pool inputs, and makes a determination regarding potentially fraudulent streaming activity.
Nº publicación: US2025285180A1 11/09/2025
Solicitante:
TEACHERS INSURANCE AND ANNUITY ASS OF AMERICA [US]
TEACHERS INSURANCE AND ANNUITY ASSOCIATION OF AMERICA
Resumen de: US2025285180A1
System, method, and apparatus for managing retirement asset transfers within a private blockchain network are provided. The method may comprise processing various input event by a destination node. The input events may include a transaction request received input event, a transfer requested input event, a transfer approved input event, an asset sent input event, an asset received input event, and a transaction closed input event.
BOPI
Sede Electrónica
