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234
resultados
Última actualización
26/06/2025 [14:00:00]
Resumen de: EP4575965A1
A method may include obtaining, from a first entity, and publishing a predicate, a first purchase price, and a first public key associated with the first entity. The method may also include obtaining, from a second entity, an encryption of a token satisfying the predicate and one or more knowledge-proving credentials. The method may additionally include verifying ownership of the token based on the credentials. The method may also include obtaining, from the first entity, assets corresponding to the first purchase price. The method may also include sending a portion of the knowledge-proving credentials, including at least an updated hash value, to a token blockchain. The method may additionally include verifying the updated hash value is posted to the token blockchain. The method may also include providing the encryption of the token to the first entity and transferring the assets corresponding to the first purchase price to the second entity.
Resumen de: EP4575959A1
Secure blockchain (BC)-based tokens are issued and linked to payment cards and/or devices of customers. Custom conditions associated with the tokens are stored in smart contracts on a BC. The tokens are stored in a cloud-based key vault and/or in the BC. Validation of a token for access a smart contract on the BC can only be made by a financial institution (FI) to the key vault. Real-time information for a transaction device, for transaction information, and/or for the customer is provided as input data to the smart contract for evaluation of the conditions. After the token is authenticated by the key vault, the real-time information is gathered and passed to the corresponding smart contract on the BC for evaluation. The FI receives transaction authorization or transaction denial based on the smart contract's evaluation of the conditions.
Resumen de: EP4575867A1
An information processing system comprising a first terminal, a second terminal, and a management system, in which the first terminal outputs a first hash value from data including at least target content, and transmits first verification data including either the first hash value or information based on the first hash value, the management system records the first verification data received from the first terminal in a blockchain, the management system reads the first verification data recorded in the blockchain and transmits the data to the second terminal, and the second terminal acquires a first hash value included in the first verification data received from the management system, acquires target content, generates a second hash value from the target content, and determines whether the first hash value matches the second hash value.
Resumen de: EP4576647A1
The invention relates to a method and a system for multidimensional Blockchain mining. The method makes use of a purposely delay of the time frame of the block mining in order to use the information in the block at hand as a relay to route in specific targeted node elements. The delay, which is performed on the block mining, targets the reshaping (editing) process in the blockchain implemented in this solution. By delaying the mining, the number of blocks that is otherwise needed to be edited is limited. Additionally, a chain is obtained that is more solid with regards to its incident information contents. The technical advantage of this action is depicted in the search operations performed over the optimized chain once it is edited. The above changes result in lower usage of server resources giving the opportunity to handle more events with the same number of resources.
Resumen de: EP4576646A1
The present application relates to a method for generating and lending of event-tickets in a distributed ledger, and discloses an infrastructure and processing scheme involving different computational authorities (10, 20). A ticketing authority (10) deploys smart-contracts (11) in a blockchain (1), which are configured to generate NFT tickets and to assign them to owner entities. In addition, a promoter authority (20) deploys smart-contracts (21, 23, 24) in the blockchain (1), which are configured to create events and periods associated to each event, to which the event-tickets being provided by the ticketing authority (10) are to be associated and later transmitted to a borrower entity. Due to the execution and deployment of smart-contracts, the event and event-ticket generation process, as well as the access to the respective metadata, reside in an immutable form on the blockchain (1), thus enabling a secure, traceable and transparent solution for generating and lending event-tickets.
Resumen de: EP4575868A1
The present invention relates to a non-transitory computer-readable medium, a content transaction method, and a blockchain system, and specifically, may perform the steps of generating a public key, generating a primary transaction which registers the same in a blockchain network, encrypting and hashing digital content, generating a secondary transaction which registers the same in the blockchain network with content-related information, verifying the content-related information, generating a tertiary transaction which registers purchase requisition information received from an external terminal in the blockchain network, verifying the purchase requisition information in the blockchain network, generating a quaternary transaction which generates purchase approval information in the computer-readable medium and registers the same in the blockchain network, verifying the purchase approval information in the blockchain network, and transmitting a decryption key of the encrypted content to a buyer terminal in the blockchain network.
Resumen de: EP4576644A1
The present application relates to a method for generating event-tickets in a distributed ledger, and discloses an infrastructure and processing scheme involving different computational authorities (10, 20). A ticketing authority (10) deploys smart-contracts (11) in a blockchain (1), which are configured to generate NFT tickets and to assign them to owner entities, according to a particular set of rules. In addition, a promoter authority (20) deploys smart-contracts (21, 23) in the blockchain (1), which are configured to create events according to a particular set of rules, and to which the event-tickets being provided by the ticketing authority (10) are to be associated. Due to the execution and deployment of smart-contracts, the rules involved in both the event and event-ticket generation process, as well as the access to the respective metadata, reside in an immutable form on the blockchain (1), thus enabling a secure, traceable and transparent solution for generating event-tickets.
Resumen de: EP4576645A1
The present application relates to a system for generating and lending of event-tickets in a distributed ledger, and discloses an infrastructure and processing scheme involving different computational authorities (10, 20). A ticketing authority (10) deploys smart-contracts (11) in a blockchain (1), which are configured to generate NFT tickets and to assign them to owner entities. In addition, a promoter authority (20) deploys smart-contracts (21, 23, 24) in the blockchain (1), which are configured to create events and periods associated to each event, to which the event-tickets being provided by the ticketing authority (10) are to be associated and later transmitted to a borrower entity. Due to the execution and deployment of smart-contracts, the event and event-ticket generation process, as well as the access to the respective metadata, reside in an immutable form on the blockchain (1), thus enabling a secure, traceable and transparent solution for generating and lending event-tickets.
Resumen de: EP4576643A1
The present application relates to a system for generating event-tickets in a distributed ledger, and discloses an infrastructure and processing scheme involving different computational authorities (10, 20). A ticketing authority (10) deploys smart-contracts (11) in a blockchain (1), which are configured to generate NFT tickets and to assign them to owner entities, according to a particular set of rules. In addition, a promoter authority (20) deploys smart-contracts (21, 23) in the blockchain (1), which are configured to create events according to a particular set of rules, and to which the event-tickets being provided by the ticketing authority (10) are to be associated. Due to the execution and deployment of smart-contracts, the rules involved in both the event and event-ticket generation process, as well as the access to the respective metadata, reside in an immutable form on the blockchain (1), thus enabling a secure, traceable and transparent solution for generating event-tickets.
Resumen de: EP4576665A1
It is disclosed an access control method to generate and validate event-tickets in a distributed ledger, to enable the generation and subsequent validation of event-tickets in a secure, traceable and transparent way. A ticketing authority (10) is responsible for deploying smart-contracts (11) in a blockchain infrastructure (1), which are configured to generate NFT tickets and to assign them to owner entities. In addition, a promoter authority (20) is responsible for deploying smart-contracts (21, 23, 24) in a blockchain infrastructure (1), which are configured to create events, to which the event-tickets being provided by the ticketing authority (10) will be associated. In its turn, the validator authority (30) is responsible for deploying smart-contracts (31) in a blockchain infrastructure (1), which are configured to validate an entry request, to be issued by a holder entity, and containing the NFT ticket to be validated.
Resumen de: EP4576664A1
It is disclosed an access control system to generate and validate event-tickets in a distributed ledger, to enable the generation and subsequent validation of event-tickets in a secure, traceable and transparent way. A ticketing authority (10) is responsible for deploying smart-contracts (11) in a blockchain infrastructure (1), which are configured to generate NFT tickets and to assign them to owner entities. In addition, a promoter authority (20) is responsible for deploying smart-contracts (21, 23, 24) in a blockchain infrastructure (1), which are configured to create events, to which the event-tickets being provided by the ticketing authority (10) will be associated. In its turn, the validator authority (30) is responsible for deploying smart-contracts (31) in a blockchain infrastructure (1), which are configured to validate an entry request, to be issued by a holder entity, and containing the NFT ticket to be validated.
Resumen de: EP4576651A2
A computer-implemented method of maintaining a secondary blockchain using a core blockchain, wherein the method is performed by a secondary blockchain node of a secondary blockchain network, and comprises: receiving a plurality of multi-level (ML) blocks, wherein each ML block is a respective blockchain transaction of the core blockchain and comprises a) one or more respective carrier pairs, each carrier pair comprising a respective input and a respective output, wherein each respective output comprises respective data associated with a secondary blockchain, and wherein each respective input comprises a respective signature that signs the respective carrier pair, wherein for each carrier pair, a respective position index of the respective input corresponds to a respective position index of the respective output, and b) a first chain output, wherein the first chain output is for being spent by a respective chain input of a subsequent block of the secondary blockchain; and maintaining a secondary blockchain database comprising the plurality of ML blocks.
Resumen de: EP4576661A2
The invention relates to distributed ledge technologies such as consensus-based blockchains. methods for causing an injection of a serialized previous transaction into a locking script are described. The invention is implemented using a blockchain network, which may be, for example, a Bitcoin blockchain. A first transaction to validate is received at a node in a blockchain network, with the first transaction including a first script. The first script, as a result of being executed, causes the node to at least obtain a first set of field values corresponding to the first transaction and obtain a second set of field values corresponding to a particular transaction. A second transaction is obtained, with the second transaction having been validated and including a second script. The second script, as a result of being executed, causes the node to at least obtain the first set of field values and the second set of field values of the particular transaction supplied as a result of execution of the first script, extract a transaction identifier from the first set of field values, and determine, based at least in part on the second set of field values, that the particular transaction corresponds to the transaction identifier. The first transaction is validated by executing the first script and the second script.
Resumen de: EP4576660A2
A method of transferring access to a digital asset is disclosed. The method comprises receiving a first blockchain transaction (4) from a first participant (6) by each of a plurality of second participants (8), (10). The first participant (6) has a first private key of a first private-public key pair of a cryptography system, and each participant (6), (8), (10) has a respective first share of a second private key of a second private-public key pair of the cryptography system, and the first blockchain transaction is signed with the first private key. Signature of the first blockchain transaction with the first private key is verified by each second participant (8), (10). A respective first share is applied to the first blockchain transaction to generate a respective second share of a second blockchain transaction signed with the second private key. Signature with the second private key is possible by means of a first threshold number of second shares and is inaccessible to less than the first threshold number of second shares. The first threshold number of second shares is combined from the first participant (6) and a plurality of the second participants (8), (10) generate the signature.
Resumen de: EP4575866A1
Tracking data input to a generative artificial intelligence model (generative AI) or a large language model (LLM) involves receiving a plurality of objects comprising the data input to the model, generating a corresponding non-fungible token (NFT) for each object, assigning a corresponding smart contract to each NFT to control interactions with the NFT and its corresponding object, recording the NFT and corresponding smart contract to a block for writing to a blockchain, and writing the block to the blockchain.
Resumen de: EP4575826A1
The present disclosure relates to a dynamic sharding system and method, which involve adding a new-shard by splitting one shard into two in a blockchain network. A dynamic sharding system which runs on nodes constituting a blockchain network, according to one embodiment of the present disclosure, comprises a shard addition determination module for determining whether a shard needs to be added; a new-shard address derivation module for deriving a new-shard address based on the number of shards currently included in the blockchain network; a split-shard derivation module for deriving a split-shard split into a new-shard based on the new-shard address; and a shard allocation module for assigning a portion of the nodes which belong to the split-shard to the old-shard and the rest to the new-shard.
Resumen de: WO2025124242A1
The present disclosure provides an Internet of Things data on-chaining method, an apparatus, a device and a system. The method comprises: receiving first data and trustworthiness verification information submitted by an Internet of Things device, the trustworthiness verification information being generated by the Internet of Things device on the basis of its own trustworthiness requirements; using a trustworthiness verification solution to perform trustworthiness verification on the first data and the trustworthiness verification information, the trustworthiness verification solution being matched with the trustworthiness requirements corresponding to the Internet of Things device; and when the trustworthiness verification is passed, storing the first data on a block chain.
Resumen de: WO2025124211A1
The present application relates to the technical field of cloud storage data deduplication. Disclosed is a cloud storage deduplication method based on blockchain and hybrid encryption technology (id50000162885176 Pub Copy 2024-12-12 Filing No.:24). The method comprises: system initialization: generating a secret value c and public parameters formula (1); data upload, comprising negotiating a converged key, and transmitting to a cloud server data obtained after the converged key has been negotiated; data deduplication: upon receiving an upload request from a user, the cloud server first inquiring, by means of a Find interface of an intelligent contract, whether there is data with the same tag; verification of data ownership and verification of data integrity; data download: after a data tagi has been calculated, transmitting information {tagi,uidi} to the cloud server, and performing decryption and downloading, so as to obtain final plaintext data mi; and data auditing. By integrating Hash self-proof with oblivious pseudorandom functions, the present application helps to ensure the security and privacy of converged keys. Additionally, the method also provides proof of data ownership, thus protecting data against access by unauthorized users.
Resumen de: US2025202715A1
A novel structured random sample consensus protocol to greatly improve blockchain and distributed ledger technology throughput and scalability, while maintaining decentralization and high levels of security. The invention leverages small committees of fixed sizes, called “Clans,” threshold cryptography, and logical virtual districts, called “Tribes,” in order to deterministically random sample disparate nodes for sentiment analysis on a transactions validity, thereby only requiring a relatively small subset of nodes to validate any particular transaction or batch of transactions thus enabling much greater concurrency and parallel processing compared to other more linearized consensus algorithms, while maintaining high security.
Resumen de: US2025202714A1
A system can correct or avoid an unexpected result caused by executing a smart contract. The system can detect a potential/actual result generated based on a primary smart contract, which is stored in association with a block of a blockchain and is configured to execute when a predetermined condition is satisfied. The system can determine that the potential/actual result deviates from an expected result and, in response, retrieve a secondary smart contract from a repository. The secondary smart contract is selected to prevent the unexpected result in the future. The system can store the secondary smart contract retrieved from the repository in association with a subsequent block of the blockchain. The primary smart contract and the secondary smart contract are then configured to execute in concert when the predetermined condition is satisfied such that the expected result is produced instead of the unexpected result.
Resumen de: US2025202707A1
Zero knowledge proof in predictive analytics is applied to automate creation of an insurance production a blockchain. In implementations, a computing system includes a processor and memory storing computer-executable instructions. The computer-executable instructions, when executed by the processor, cause the processor to receive a request for a policy for a user, the request including an identifier associated with the user; generate a smart contract in a blockchain, the smart contract corresponding to the request and defining an execution condition; cause the smart contract to acquire from a data source, using a protocol and based on the identifier, a fact indicative of the execution condition being satisfied. Based on the fact, the computer-executable instructions further cause the processor to execute the smart contract in the blockchain to generate the policy for the user, and add a block associated with the policy to the blockchain.
Resumen de: US2025201083A1
Systems and methods described herein include an application comprising instructions for execution on first and second devices including one or more processors and memory, the application being configured to purchase one or more certificates by a first process via one or more blockchain transactions. The application may redeem the one or more certificates received by a second process via one or more blockchain transactions. The second device may exchange one or more codes to designate the one or more certificates as used on the first device. The system may include one or more servers in communication with the application, and may generate a message containing updated redemption information of the one or more certificates when the updated redemption information has been stored in one or more databases, retrieve data from a plurality of data sources, and generate one or more smart contracts based on the retrieved data.
Resumen de: US2025200570A1
A computer-implemented method may comprise determining that a sales order has been created in a database, publishing, in an event-driven architecture, a first event message indicating that the sales order has been created based on the determining that the sales order has been created, and then causing a non-fungible token (NFT) to be minted on a decentralized blockchain based on the publishing of the first event message. Next, an indication that the NFT has been minted may be received, with the indication comprising a transaction identification corresponding to the NFT, and a second event message indicating that the NFT has been minted may be published in the event-driven architecture based on the indication that the NFT has been minted. The transaction identification of the NFT may then be stored in the database in association with the sales order based on the publishing of the second event message.
Resumen de: US2025200534A1
A system having a memory and a processor communicatively coupled to the memory and configured to generate digital currency units, wherein each of the digital currency units comprises an indication of a benefit associated with the corresponding digital currency unit, create blocks of a distributed ledger, wherein each block corresponds to one of the digital currency units, wherein each block records the indication of the benefit corresponding to one of the digital currency units, communicate each block to a distributed ledger responsive to exchange of the digital currency unit corresponding to each block, register and validate a user and issue a first one of the digital currency units to the user, wherein the issuing the first one of the digital currency units to the user comprises recording information related to the user on a blockchain responsible for the first one of the digital currency units.
Nº publicación: US2025200567A1 19/06/2025
Solicitante:
PAYPAL INC [US]
PayPal, Inc
Resumen de: US2025200567A1
A method for generating a smart protocol includes providing, by a server computer system, a user interface to one or more of a plurality of users. The server computer system may receive, via the user interface, input specifying terms corresponding to a smart protocol that is to be deployed on a particular blockchain platform. The specified terms may include the plurality of users associated with the smart protocol and a web resource to be used to identify one or more external data. An execution of the smart protocol may be based on a value of the external data. Based on the specified terms, the server computer system may generate, without further input from the plurality of users, the smart protocol. The server computer system may deploy the smart protocol to the particular blockchain platform.
BOPI
Sede Electrónica
