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DETERMINING A COMMON SECRET FOR THE SECURE EXCHANGE OF INFORMATION AND HIERARCHICAL, DETERMINISTIC CRYPTOGRAPHIC KEYS

Resumen de: US20260031981A1

A method (300) and system (1) of determining a common secret for two nodes (3, 7). Each node (3, 7) has a respective asymmetric cryptography pair, each pair including a master private key and a master public key. Respective second private and public keys may be determined based on the master private key, master public key and a deterministic key. A common secret may be determined at each of the nodes based on the second private and public keys. In one example, a node (3, 7) may determine the common secret based on (i) a second private key based on the node's own master private key and the deterministic key; and (ii) a second public key based on the other node's master public key and the deterministic key. The invention may be suited for use with, but not limited to, digital wallets, blockchain (e.g. Bitcoin) technologies and personal device security.

SYSTEM AND METHOD FOR AUTHORIZING TRANSACTIONS IN AN AUTHORIZED MEMBER NETWORK

Resumen de: US20260031973A1

In the disclosed transaction processing system, members of an authorized network of consumers and merchants manage account information using blockchain ledgers. Because both consumers and merchants maintain copies of the blockchain, for any consumer/merchant transaction, both entities can quickly validate the transaction because both are aware, via their blockchain entries, of the current status of the account sourcing the transaction, allowing fast and accurate transaction validation without the need to incur the processing charges inherent in traditional fiat currency credit transactions.

Integration Of Anonymized, Member-Driven Cloud-Based Groups And Content Delivery Services That Collect Individual Information About Content Interactions Without Compromising Identities Of Group Members

Resumen de: US20260032126A1

Techniques are described through which groups of individuals and/or other entities may interface with a data cloud blockchain network and/or cloud-based platform to collectively share data in a secure, controlled manner. Decentralized groups that are connected to the data cloud network may be registered and listed in a searchable directory. Entities that are interested in accessing data associated with a group may browse the directory, execute smart contracts within a blockchain, and track online content interactions of a group in a manner that does not compromise the anonymity of individual group members. Data usage and performance metrics may be tracked on the blockchain network using data cloud services, and the metrics may be written to distributed ledgers within the blockchain network. Smart contracts and chaincode within the network may initiate blockchain transactions based on performance metrics and/or other aspects associated with accessing information about a group.

CORPORATE WRAPPED BLOCKCHAIN SYSTEM AND METHOD

Resumen de: US20260030675A1

Disclosed is a corporate wrapped blockchain; the corporate wrapper is implemented by a business entity that issues stock in the blockchain. The blockchain offers a plurality of stock classes that include a preferred stock and a common stock. The blockchain also includes a validator that owns preferred stock in the blockchain.

Blockchain Tracked Transaction Incented By Merchant Smart Contract Facilitated Donation

Resumen de: US20260030661A1

Merchants provide incentives for customer transactions on accounts issued to them by issuers. Incentives include a merchant making a donation to entities with whom the merchants and/or the consumers have an affinity such as residence in the community. Each merchant can define the donation to be percentage of the transaction amount. Cryptographically secure chains are provided for uniquely labeling each such transaction and each such donation by way of incorporating role-based digital wallets and multiple synchronized transactional blockchains. Where the donations are used to purchase an Internet-of-Things (IOT) enabled system, real and/or near-real time usage information can be received and transmitted to the logical addresses of the customers and or the merchants so as to confirm efficacy of the donations.

DATABASE SYSTEM FOR A SOCIAL NETWORK USING BLOCKCHAIN TECHNOLOGY

Resumen de: US20260030628A1

A relational database system for a social network through which a number of users can share data with each other, wherein the data associated with a user is stored as data blocks, the data blocks associated with a user can be managed exclusively by the user, the sharing of data of the data blocks between users in the network is defined by predetermined data chains, wherein each predetermined data chain specifies data from the data associated with a user that the user shares and specifies the user with whom the data is shared, wherein each relation is stored as a data block and can be managed exclusively by the user to whom the data is associated, wherein the predetermined data chains comprise programs that perform functions based on the shared data.

SMART CONTRACT EXECUTED WITHIN A BLOCKCHAIN

Resumen de: US20260030617A1

There is provided a method and system for selection of response message(s), comprising: receiving from an initiator client terminal a function message including an unencrypted target value and a public key, receiving respective response messages to the function message from responding client terminals, each respective response comprising an unencrypted partial value of the target value and a parameter encrypted with the pubic key, receiving, from the initiator client terminal, a selection of response message(s) according to a ranking of the encrypted parameters, wherein a sum of the unencrypted partial values of the selected response message(s) is according to a requirement of the target value, and receiving a validation for the selected response message(s) from corresponding responding client terminals, wherein each of the corresponding responding client terminals is provided with all partial values and all unencrypted parameters associated with all of the selected response message(s).

SYSTEMS AND METHODS FOR PROCESSING PAYMENTS IN CRYPTOGRAPHIC CURRENCY

Resumen de: US20260030618A1

A system for processing payments using cryptographic currency, comprising: a software development kit operably coupled with at least one crypto-wallet having at least one crypto-address; wherein, said SDK is configured to transmit a user ID and at least one crypto-address to a payment terminal and a server platform; a payment terminal configured to transmit to a server platform an invoice message comprising a payment amount in a first currency and the crypto-address or user ID; a server platform configured to query an at least one blockchain network for balance of an at least one cryptocurrency type in said at least one crypto-wallet, and establish a value of said at least one balance in the first currency by applying at least one available exchange rate with said at least one cryptocurrency type; said server platform responding to said invoice message by sending a crypto-payment offer message to said SDK, comprising at least one payment amount in said at least one cryptocurrency type.

TRANSACTION PROCESSING METHOD, APPARATUS, DEVICE AND STORAGE MEDIUM

Resumen de: US20260030606A1

A transaction processing method, an apparatus, a device and a storage medium are provided. The technical solution of the present disclosure is as follows: receiving an issuing indication message sent by an off-chain transaction system, the issuing indication message comprising an off-chain participant identifier, a first target amount and a deduction success indication, and the deduction success indication being used for indicating that currency of the first target amount has been successfully deducted from a local bank account or a local digital currency wallet of the off-chain participant; and, in response to the issuing indication message, generating digital currency corresponding to the first target amount in a digital currency wallet of an on-chain participant node corresponding to the off-chain participant identifier of a block chain network.

Automated Transactions Across Multiple Blockchains with Cryptocurrency Swaps

Resumen de: US20260030616A1

A user operating an endpoint app chooses to obtain a blockchain-based asset on a target blockchain. The user does not have blockchain transaction credentials for the target blockchain, but does have blockchain transaction credentials for a source blockchain. The endpoint app hierarchically creates target blockchain transaction credentials for the user, using an initial seed of entropy that was used to create the user's source blockchain transaction credentials. A backend component automatically obtains an amount of target blockchain cryptocurrency sufficient to obtain the blockchain-based asset on the target blockchain, in exchange for source blockchain cryptocurrency of the user. The obtained target blockchain cryptocurrency and the hierarchically created target blockchain transaction credentials are used to automatically obtain the blockchain-based asset on the target blockchain, such that once the transaction is completed, the obtained blockchain-based asset is registered to the address of the user's hierarchically created target blockchain transaction credentials.

Hybrid Cloud-Edge Computing Architecture for Decentralized Computing Platform

Resumen de: US20260030077A1

Disclosed are systems and methods for a hybrid cloud-edge computing platform using decentralized networks for solving resource-intensive computation tasks such as machine learning and video processing tasks. In some respects, the cloud-edge computing platform comprises a coordinator cluster and worker nodes partitioned into shards, which include cloud-based networks and edge networks, and which cater to a wide range of computation requirements. The coordinator cluster manages workloads by selecting the appropriate shard and worker nodes to execute tasks based on computed efficiency scores. Worker nodes may be incentivized with rewards such as cryptocurrency tokens for successful completion of tasks. The disclosed architecture also supports the pipelining of multiple tasks in a workload, where the output of one task is used as input for another task. In some respects, the computing architecture includes a blockchain-supported edge network, which enables verifying compute tasks and managing reward distribution for worker nodes using smart contracts.

METHODS AND SYSTEMS FOR DISTRIBUTING AND VALIDATING ALERTS IN A DISTRIBUTED COMPUTING SYSTEM

Resumen de: US20260030623A1

Systems and computer-implemented methods for generating, propagating and handling alert messages on a blockchain network. The alert messages may be generated and sent by an alert administration service to instruct mining nodes to take certain actions, including freezing a transaction outpoint, banning a peer node, invalidating a block, or implementing a confiscation transaction to move assets from a transaction outpoint to another address. An alert handler within the node software at the mining nodes manages the parsing and processing of alerts. Alerts may be sent in P2P message that includes a serialized alert transaction that itself includes the alert message in an output field. A processed alert message results in the alert transaction being included in the mempool and, eventually, the blockchain.

TRACING FLOW OF TAGGED FUNDS ON A BLOCKCHAIN

Resumen de: US20260030633A1

A system for “tagging” funds identified on a blockchain and associating a weight value therewith. The tagging profile is developed into a propagation profile wherein weight values are inherited from the tagging profile s. Propagation profile funds may be diluted by combining with non-tagged funds, similar to how ink dilutes through water. A spending history of funds of interest is developed based on replaying the funds of interest against the global transaction history of the blockchain. It is determined whether the spending history intersects with the propagation profile, thus determining how closely the two sources of funds are economically to one another. Intersection triggers actions including alert notifications or transfer of funds on the blockchain.

PROCESS FOR THE EXECUTION OF SMART CONTRACTS

Resumen de: WO2026022208A1

Smart contracts are self-executable programs that run when certain predetermined conditions are met. The advent of blockchain technologies has provided the means to execute smart contracts in a decentralized manner without the need to trust a central authority: the proper execution of the smart contract is ensured by the agreement protocol of the blockchain on which it is deployed. Blockchain smart contracts, properties of trustless execution, make them an attractive technology for IoT. However, IoT applications often require the processing of large amounts of data that are often difficult to manage in a blockchain environment. In fact, traditional blockchains can only process a few transactions per second, making them unsuitable for the needs of many IoT applications. Additionally, traditional public blockchains require users to pay fees for each piece of data committed to the chain, which makes the use of blockchains too expensive in many IoT case scenarios, as they often involve IoT devices exchanging large amounts of messages. In this thesis, a solution for the execution of smart contracts that improves scalability on blockchain in terms of throughput and cost is presented. The solution is particularly suitable for the IoT, but its generality makes it possible to use it in a variety of scenarios not necessarily related to the Internet of Things.

Blockchain-based copyright verification system

Resumen de: KR20260013798A

본 발명은 종래기술의 문제점을 해결하기 위한 것으로서, 본 발명의 목적은 이미 발생된 저작권을 입증하기 위해서 블록체인망이 데이터 파일의 최초 업로드 시점을 스탬핑하도록 하여 저작권이 이전에 발생되었다는 사실을 명백하게 입증하도록 하기 위한 것이다. 이에 본 발명의 일 측면에 따른 블록체인 기반의 저작권 입증 시스템은 체인을 이루는 복수의 블록을 포함하는 블록체인망, 저작권 입증에 필요한 데이터 파일을 송신하는 적어도 하나의 사용자단말, 및 상기 사용자단말의 명령을 수신하여 데이터 파일을 상기 블록에 저장하도록 하는 서비스서버를 포함하고, 상기 블록체인망은 상기 사용자의 데이터 파일을 최초 업로드 시간 정보와 함께 블록에 저장하고, 상기 데이터 파일을 송신한 사용자단말 이외의 사용자단말은 상기 데이터 파일을 열람하고 그 데이터 파일에 대하여 코멘트할 수 있고, 상기 서비스서버는 상기 코멘트와 코멘트한 사용자단말의 정보를 함께 상기 블록에 추가적으로 저장되도록 한다.

METHOD AND SYSTEM FOR SELECTIVELY USING NETWORK CODING FOR PROPAGATING TRANSACTIONS IN A BLOCKCHAIN NETWORK

Resumen de: EP4686113A1

Methods and devices for propagating transactions in a network of nodes, each node having one or more connections to other nodes. The method includes determining that one of the nodes is a bottleneck for propagation of transactions; receiving, over a first time period, a plurality of new transactions from one or more first nodes in the network of nodes; combining the plurality of new transactions using network coding and a local encoding vector to generate a message; and sending the message and a global encoding vector to one or more second nodes in the network of nodes instead of sending the plurality of new transactions to the one or more second nodes. The network may be a blockchain network.

DATA PROCESSING METHOD AND SYSTEM, AND NODE

Resumen de: EP4686150A1

This application relates to the field of blockchain technologies, and discloses a data processing method, a system, and a node. A control node, a receiving node, and a block management node belong to a same blockchain system. The control node may broadcast a blockchain including a cross-chain contract, where the cross-chain contract includes time information, and the time information indicates a reporting time point of state information of at least one parallel chain. State information of any parallel chain is submitted to the receiving node in a time period specified in the cross-chain contract. The receiving node sends the state information of the parallel chain to the block management node, and the block management node records the state information of the parallel chain in a relay chain, and broadcasts the relay chain. According to the data processing method, a delay of a cross-chain transaction in the blockchain system can be reduced.

PROCESS FOR THE EXECUTION OF SMART CONTRACTS

Resumen de: EP4686146A1

Smart contracts are self-executable programs that run when certain predetermined conditions are met. The advent of blockchain technologies has provided the means to execute smart contracts in a decentralized manner without the need to trust a central authority: the proper execution of the smart contract is ensured by the consensus protocol of the blockchain on which it is deployed. Blockchain smart contracts, properties of trustless execution, make them an attractive technology for IoT. However, IoT applications often require the processing of large amounts of data that are often difficult to manage in a blockchain environment. In fact, traditional blockchains can only process a few transactions per second, making them unsuitable for the needs of many IoT applications. Additionally, traditional public blockchains require users to pay fees for each piece of data committed to the chain, which makes the use of blockchains too expensive in many IoT case scenarios, as they often involve IoT devices exchanging large amounts of messages. In this thesis, a solution for the execution of smart contracts that improves scalability on blockchain in terms of throughput and cost is presented. The solution is particularly suitable for the IoT but its generality makes it possible to use it in a variety of scenarios not necessarily related to the Internet of Things.

DETERMINING A SYSTEM STATE USING A BLOCKCHAIN

Resumen de: CN121014054A

A computer-implemented method for determining a state of a system using one or more initial blockchain transactions, where each initial blockchain transaction includes one or more respective outputs, each respective output being locked to a respective initial public key, and wherein the method is performed by a first party and comprises: determining an initial state of the system based on each respective initial public key; identifying one or more outputs of one or more final blockchain transactions, where each final blockchain transaction includes a respective reference to at least one of the one or more initial blockchain transactions, where each final blockchain transaction includes one or more respective outputs, each respective output is locked to a respective final public key; and determining a final state of the system based on each respective final public key.

DETERMINING A SYSTEM STATE USING A BLOCKCHAIN

Resumen de: CN120937029A

A computer-implemented method for determining a state of a system using one or more blockchain transactions, where each blockchain transaction includes one or more outputs, and where the method is performed by a first party and includes identifying one or more outputs of a first blockchain transaction, where each output includes a respective public key, and wherein each respective public key is associated with a respective state; and determining the state of the system based on the respective state associated with the respective public key of each of the identified one or more outputs.

DETERMINING A SYSTEM STATE USING A BLOCKCHAIN

Resumen de: CN120937028A

A computer-implemented method for determining a state of a system using one or more blockchain transactions, where each blockchain transaction comprises one or more outputs, and where the method is performed by a first party and comprises: determining a respective state of one or more respective outputs of the one or more blockchain transactions; and determining the state of the system based on the respective states of the one or more respective outputs.

METHOD AND SYSTEM FOR OPERATING A DOMAIN NAME SYSTEM USING A BLOCKCHAIN

Resumen de: WO2024240887A1

A computer-implemented method for operating a domain name system by using a blockchain, wherein the blockchain comprises a smart contract, wherein the smart contract handles at least one domain name non-fungible-token (DN NFT), wherein the DN NFT comprises a domain name and an IP address that is assigned to the domain name, wherein the smart contract receives a request with a domain name to resolve an IP address for the domain name, wherein the smart contract searches by using the domain name the DN NFT that comprises the domain name and the IP address, and wherein the smart contract outputs the IP address that is assigned to the domain name in the DN NFT.

NFT Fragment Investment System Using NFTs and Blockchain of Real Estate Auction

Resumen de: KR20260012404A

부동산경매 투자라고 하면 법원 감정가에 따라 입찰 하한가 이상으로 입찰하여 낙찰 받는 절차로 진행된다. 공동입찰시 공동입찰자목록에 성명, 날인, 주소, 주민등록번호, 전화번호, 지분, 상호관계를 수기로 기재하여 서면으로 제출하는 방식으로 하며 낙찰과 등기를 위한 공동입찰자들의 너무나 많은 행정서류들로 인해서 몇명 이내에서만 공동입찰이 가능한게 현실이다. 이러한 상황에서 많은 자금이 소요되는 부동산경매 입찰 및 낙찰과 부동산개발과 판매의 행정절차를 블록체인과 NFT 기술을 활용하여 저장 및 정보화하여 조작의 우려없이 안전하게 진행함과 동시에 조각투자를 가능케함으로써 100인이상의 많은 공동입찰자가 소액으로도 참여 가능케하여 진보된 기술로 개선된 절차수행 기법이다. 가상화페의 데이터 위변조 방지기술이기도 한 블록체인은 데이터 분산처리 기술로 블록에 데이터를 담아 체인형태로 연결하여 수많은 컴퓨터에 동시에 이를 복제해 저장하는 기술이다. 블록체인 저장기술에 NFT(None Fungible Token) 즉, 블록체인의 토큰을 다른 토큰으로 대체하는 것이 불가능한 암호화폐 형태로 하여 100,000원 단위로 발행하여 투자하며 공동투자자들 개개인의 조각투자금 만큼의 토큰으로 보관하는 기술이 NFT이�

APPARATUS AND METHOD FOR OPERATING A BLOCKCHAIN-BASED PLATFORM FOR VOICE DATA TRADING

Resumen de: KR20260013074A

본 발명의 일 실시예에 의하여 판매자와 소비자 사이의 스마트 계약을 기초로 블록체인 네트워크를 형성하는 단계, 판매자와 소비자 사이의 비밀키가 설정된 블록체인 지갑을 생성하는 단계, 노이즈 데이터를 포함하는 음성 데이터를 블록체인 네트워크에 등록하는 단계, 소비자로부터의 지불이 확인됨에 따라, 노이즈 데이터를 포함하는 음성 데이터를 소비자에게 전달하는 단계를 포함하는, 음성 데이터 거래를 위한 블록체인 기반의 플랫폼 운영 방법을 제공할 수 있다.

METHOD AND APPARATUS FOR MANAGING CUSTOMIZED ACTIONS USING A BLOCKCHAIN NETWORK

Nº publicación: KR20260011942A 26/01/2026

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포티투닷주식회사