Blockchain

SECURE TRANSACTION AUTHORIZATION

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.

LARGE LANGUAGE MODEL(S) SYSTEM FOR CAPTURING, MAINTAINING, AND SEPARATING COPYRIGHTED INFORMATION WITHIN A BLOCKCHAIN NETWORK WITH AUTOMATIC OUTPUT OF INFORMATION

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.

DYNAMIC SHARDING SYSTEM AND METHOD IN BLOCKCHAIN NETWORK

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.

INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM

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.

METHOD AND SYSTEM FOR MULTIDIMENSIONAL BLOCKCHAIN MINING

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.

METHOD FOR GENERATING AND LENDING EVENT-TICKETS

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.

NON-TRANSITORY COMPUTER-READABLE MEDIUM PROVING TRANSACTION INFORMATION USING ZERO-KNOWLEDGE PROOF ALGORITHM, METHOD OF CONTENT TRANSACTION, AND BLOCKCHAIN SYSTEM THEREOF

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.

METHOD FOR GENERATING EVENT-TICKETS

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.

SYSTEM FOR GENERATING AND LENDING 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.

EVENT-TICKET GENERATOR SYSTEM

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.

MULTI-LEVEL BLOCKCHAIN

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.

ACCESS CONTROL METHOD

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.

ACCESS CONTROL SYSTEM

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.

FORCING THE INJECTION OF A PREVIOUS TRANSACTION'S BYTECODE INTO A BLOCKCHAIN TRANSACTION

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.

COMPUTER IMPLEMENTED METHOD AND SYSTEM FOR TRANSFERRING ACCESS TO A DIGITAL ASSET

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.

BLOCKCHAIN-BASED ESCROWED MARKETPLACE

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.

SYSTEM AND METHOD FOR DOCUMENT SECURITY THAT CAN BE USED IN A VOTE PROCESS

Resumen de: WO2025128171A1

A system and method for voting including vote casting and vote counting. The system provides a paper ballot having a main section and a shreddable section. The main section includes a ballot ID, a ballot public key of a ballot public and private key pair, a set of voting options, and a machine-readable code at an end of the main section. The machine-readable code is configured to instruct a scanner device to stop scanning. The shreddable section includes a ballot private key of the ballot public and private key pair printed thereon. A scanner can read the information on the marked paper ballot, read the private key from the shreddable section, and shred the shreddable section. Scanner digitally signs image data using the ballot private key and scanner private key and applies "publicly solvable puzzle-based encryption" to the same. Scanner can transmit the encrypted image data to a blockchain server.

COMPUTER IMPLEMENTED SYSTEMS AND METHODS

Resumen de: WO2025125812A1

The invention relates to at least one of using, processing and/or generating a blockchain transaction, or a group of transactions, for updating eg. transferring a blockchain token e.g. from a first entity to another entity. The transaction, or group, includes a latch mechanism for controlling the update e.g. transfer of the blockchain token to the another entity. The latch mechanism can be described as imposing a conditional update of the token e.g. an interlock. While this can be applied in a single instance, using a transaction or a group of transactions, a latch mechanism can be applied to the entire chain of token updates e.g. transfers, wherein the methods taught herein use the transactional relationship with the previous and subsequent transactions to at least one of: inhibit double spending; and determine the validity of the token using an inductive proof. The latch mechanism comprises: the unlatch-script, which is configured to release a preceding restriction, said preceding restriction applied in a preceding blockchain transaction and configured to restrict update of the blockchain token e.g. to the first entity; and/or the latch-script, which is configured to apply a subsequent restriction, said subsequent restriction configured to restrict the ability to assign the blockchain token in a subsequent blockchain transaction e.g. by the another entity.

BLOCK GENERATION METHOD

Resumen de: WO2025127418A1

Disclosed according to several embodiments of the present disclosure is a method by which a computing device comprising at least one processor generates a block. The block generation method comprises the steps of: obtaining a first transaction from a node which is included in a blockchain network and in which a transaction has occurred; and, if the first transaction is obtained, generating, on the basis of whether any one of preset conditions is satisfied, a first block for recording the first transaction, wherein the preset conditions can include a first condition that is satisfied if the number of transactions not recorded in a block reaches a preset number due to the receipt of the first transaction, and a second condition that is satisfied if the acquisition time of a second transaction acquired first from among the transactions not recorded in the block reaches a preset time.

CLOUD STORAGE DEDUPLICATION METHOD BASED ON BLOCKCHAIN AND HYBRID ENCRYPTION TECHNOLOGY

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.

INTERNET OF THINGS DATA ON-CHAINING METHOD, APPARATUS, DEVICE AND SYSTEM

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.

DISTRIBUTED LEDGER-BASED SYSTEM, METHOD AND APPARATUS FOR MANAGING TASKS

Resumen de: US2025202725A1

A distributed ledger-based system, method and apparatus for managing tasks. An authorization record proposal is validated by a localized blockchain authorization network against a validated schema published by, in some cases, a core blockchain network. Once validated, it is published on a localized channel for use by other nodes to validate actions of the task as the task is being performed. Data relating to completed tasks may be shared in accordance with sharing information in the validated authorization record and the data may be deleted upon the occurrence of a predetermined condition.

UNITY PROTOCOL CONSENSUS

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.

TECHNIQUES FOR CORRECTING ANOMALOUS ACTIVITY CAUSED BY SMART CONTRACTS

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.

METHODS AND SYSTEMS FOR APPLYING ZERO KNOWLEDGE PROOF IN PREDICTIVE ANALYTICS

Nº publicación: US2025202707A1 19/06/2025

Solicitante:

STATE FARM MUTUAL AUTOMOBILE INSURANCE COMPANY [US]
State Farm Mutual Automobile Insurance Company