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204
results.
Updated on
02/07/2025 [07:52:00]
Results 25 to 50 of 204
Absstract of: US2025209447A1
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.
Absstract of: US2025209446A1
An information processing device includes a management unit and a transaction control unit. The management unit records and manages, when a first transaction for exchanging, between a first user who is present in a real space or a virtual space, the first user having a first value in the real space or the virtual space, and a second user who is present in the real space or a virtual space, the second user having a second value in the real space or the virtual space, the first value and the second value has been conducted, in a block chain or a distributed ledger, as transaction information, information relating to the first value, information relating to the first user, information relating to the second value, and information relating to the second user. The transaction control unit controls, when a second transaction relating to at least one of the first value, the first user, the second value, or the second user is to be conducted, the second transaction by using the transaction information recorded and managed in the block chain or the distributed ledger by the management unit.
Absstract of: US2025209444A1
A self-custody wallet combination payment card includes an electronic component with storage, a processor, and a near field communications interface. Two programs are stored at the electronic component and, once provisioned, the electronic component stores one or more blockchain addresses and security keys. The two programs can include a payment application which can interface with point of sale terminals (e.g., following EMV specifications) and a crypto application which has the capability to securely store keys and return a signature for blockchain transaction.
Absstract of: US2025209451A1
A computer-implemented method (100) and system (1) for controlling the performance of a smart contract. The method includes storing a contract on or in a computer-based repository. The contract is associated with a licence between a first user (U1) and a second user (U2). The method further includes receiving, over a communications network, a transaction comprising a transfer of a token from an agent (A) to the first user (U1) or the second user (U2). The transaction comprises metadata that includes an identifier indicative of a location where the contract is stored. The method further includes querying a peer-to-peer distributed ledger (i.e. blockchain) to determine whether the transaction comprises at least one unspent output (UTXO). The method further includes, responsive to querying the peer-to-peer distributed ledger, determining whether to modify performance of the contract. The blockchain may be the Bitcoin blockchain.
Absstract of: WO2025132126A1
The invention relates to a method for protecting a user of one or more social networks (3) or video games (4) from the risks of cyberbullying, wherein this user has a device (6-10) connected to a communication network (2) for accessing digital content originating from the one or more social networks (3) or video games (4), or for receiving digital content originating from one or more other users of the one or more social networks (3) or video games (4), and wherein the method comprises steps of performing a semantic and contextual analysis, of processing the results of the semantic and contextual analysis in order to detect a situation of cyberbullying or toxicity, and, in the event of detection of a situation of cyberbullying or toxicity in digital content, displaying the toxic digital content thus detected on the screen of the connected device. This method further comprises, upstream of the semantic and contextual analysis step, a step of collecting (data mining) digital content from a data stream received from a social network, and a step of recording, in a blockchain, a set of descriptive data describing this cyberbullying or toxicity.
Absstract of: US2025209410A1
Systems, apparatus, and methods for transacting, recording, validating and/or verifying agricultural products and its proceeds. The 2018 Farm Act rescinded industrial hemp from Schedule I of the Controlled Substances Act (CSA). Although industrial hemp has a variety of uses, the Government's biggest concern is the ingestion of tetrahydrocannabinol (THC) and cannabidiol (CBD). Commercial regulation typically balances a variety of factors: e.g., consumer protection, regulatory overhead, market competition, tax revenue, public policy, etc. In contrast, law enforcement has a singular purpose, and may go to extraordinary lengths to stop criminal activity. Various embodiments described herein provide a blockchain ledger-based supply chain that allows many commercial and regulatory entities to independently cooperate. Every transaction is permanently and transparently recorded within a chain-of-custody; the chain-of-custody enables a traceability; transitive linkages enable regulatory compliance. A variety of new applications are enabled by the blockchain ledger-based supply chain.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: US2025200486A1
A device, system, and method for measuring the performance of projects and production processes, in addition to providing performance metrics or coefficients. In one aspect, the invention provides a device, system, and method for automating certification procedures for issuing digital assets or tokens, which may be an integrated certification; a tool for automating certification procedures that involve measuring, documenting, and tokenizing, on blockchain, distributed digital ledger or distributed digital record platforms or technologies, various physical quantities related to production processes or natural phenomena; the generation of metrics or coefficients related to said certification, which are useful for increasing the precision/accuracy and productivity of certification processes and are also useful as parameters for managing project risk, including environmental risk; enables certification for small projects and attitudes; and for proving that requirements have been met to obtain tax benefits in environmental incentive programs.
Absstract of: WO2025128090A1
A system for performing an atomic cross-blockchain transaction includes at least one memory configured to store instructions and at least one processor configured to execute the instructions to cause the system to define (S402) a transaction involving a first blockchain and at least one second blockchain and to execute (S404) the transaction. The transaction includes one or more operations on each of the first blockchain and the at least one second blockchain. The at least one operation of the one or more operations of the transaction is executed on the at least one second blockchain via a cross-chain bridge.
Nº publicación: AU2023373484A1 19/06/2025
Applicant:
ATLAS REALITY INC
ATLAS REALITY, INC
Absstract of: AU2023373484A1
A computer system operates an off-chain electronic game that includes in-game assets stored off of a blockchain. The computer system detects an occurrence of a progression event related to a particular in-game asset associated with a particular player. In response to the occurrence, the computer system increases an upgrade capacity of the particular in-game asset. The upgrade capacity controls a maximum number of attribute upgrades that can be applied to the particular in-game asset at a time. The computer system then permits or prevents application of attribute upgrades to the particular in-game asset based on the upgrade capacity. The computer system further permits or prevents application of attribute upgrades based on whether the attribute upgrades are being applied to other off-chain electronic games. An interoperability API is used to determine whether a given attribute upgrade is being used in another game.
BOPI
Electronic site
