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82
results.
Updated on
15/07/2026 [08:12:00]
Absstract of: US20260179143A1
A blockchain transaction system is provided. The system comprises a number of registries, a blockchain network, and a meta registry. The meta registry comprises a frontend interface for the registries, a server side backend that provides a set of application programming interfaces (APIs) to integrate the registries with the meta registry, and a middleware system that connects the server side backend to a number of clients in the blockchain network. The meta registry instructs the blockchain network to issue and mint tokens in response to API calls from the registries. The meta registry also instructs the blockchain network to sell, transfer, or retire tokens in response to API calls from the registries.
Absstract of: WO2026134408A1
Disclosed is an operating method of a medical information tracking system based on a closed blockchain network. The operating method comprises: a step in which a first electronic device of a manager records a transaction for adding medical information about a patient to a blockchain network or modifying the medical information; a step for generating a block including the transaction according to a consensus result for the transaction; and a step in which a second electronic device corresponding to a hospital or an analysis center reads the medical information included in the block.
Absstract of: WO2026132622A1
The present invention relates to a comprehensive system designed to prevent and control fraudulent sales, understood as any type of unlawful transaction, including the sale of counterfeit, stolen or illicitly acquired goods. This system assigns unique public codes to goods and services, linking them to registered owners and providing complementary secret codes that can only be accessed by these owners. This combination ensures the authenticity, traceability and security of the goods and services at any stage of their life cycle. The system allows owners to transfer ownership in a secure and authorised manner without the buyer having direct access to the secret code, thereby protecting the integrity of the process. In addition, it allows transfer authorisations to be delegated to third parties in a controlled and secure manner. During each transaction, the system automatically updates the ownership record, disables the previous secret codes and generates new unique secret codes for the new owner, thereby strengthening security and preventing duplications or fraud. The platform that supports the system can be implemented in both centralised environments, with a main data-management server, and decentralised environments using technologies such as blockchain to distribute and protect information. This technological flexibility allows the system to adapt to different infrastructures and operating models, thereby ensuring an effective implementation in a wide variety of contexts.
Absstract of: US20260180783A1
0000 This application provides a smart contract-based communication method and an apparatus, relating to the field of wireless communication. The method may be applied to a network resulting from the convergence of a blockchain network and a core network, to resolve a problem of how to perform communication between nodes based on a blockchain technology in the converged network. This application provides a plurality of smart contract-based communication methods, relating to a smart contract discovery process, a smart contract subscription process, a smart contract invocation process, and a smart contract authorization process.
Absstract of: US20260180720A1
In a communication method, a first network element sends request information to a second network element deployed in an operator network, where the request information is used to request to perform a first operation on a first smart contract (SC) that the first network element expects to manage. The second network element sends indication information to a first node in a first blockchain (BC) based on the request information, where the indication information indicates to perform the first operation on the first SC, and the first BC is a BC on which the first SC is to be deployed or has been deployed. The first node in the first BC performs the first operation on the first SC in response to the indication information.
Absstract of: US20260179144A1
0000 A system and method for blockchain-based decentralized exchange (DEX) for electricity trading, allows a faster liquidation of transactions, reduces costs, eliminates intermediaries and democratizes access to electricity trading, facilitating the participation of users with lower capital. Based on smart contracts, the platform automates and schedules energy transactions, optimizing execution and liquidation times, while improving market transparency and efficiency. In addition, it incorporates floor and cap prices in the electricity markets, guaranteeing security and liquidity of transactions. The integration of futures and options on the platform ensures efficient liquidation of trades. The platform offers its own exchange system with automatic peer-to-peer liquidation, eliminating the need for central authorities. Integrated non-custodial wallets support cryptocurrencies allow staking and facilitate management of operations. Likewise, the platform uses its own native token that grants discounts and voting rights, and operates with amounts from one kilowatt, limiting the maximum loss based on the available liquidity.
Absstract of: WO2026128959A1
A system for recording and transferring digital assets featuring: (a) generate, for each transaction, output receipt identifiers (Receipt IDs), each Receipt ID being uniquely derived from transaction data and blockchain state parameters; (b) maintain a receipt state structure comprising an unspent list, a spent list, and an in-progress list; (c) upon a transfer transaction, identify one or more input Receipt IDs and temporarily classify the input Receipt IDs as in-progress; (d) determine whether: (i) each input Receipt ID is valid and unspent; (ii) a digital signature associated with the transaction is valid; and (iii) a total quantity represented by the input Receipt IDs equals a total quantity represented by the output Receipt IDs; (e) upon satisfying validation criteria, atomically: (i) classify each input Receipt ID as spent; (ii) record each output Receipt ID as unspent; and (iii) update a blockchain ledger with a transaction record referencing the output Receipt ID.
Absstract of: WO2026136411A1
A method of maintaining a bi-directional blockchain. The bi-directional blockchain includes at least first and second blocks of encoded data. The method includes identifying, by a computing device, a third block of data to be added to the bi-directional blockchain; decoding, by the computing device, the second block with reference to the first block to generate a decoded second block; generating, by the computing device, an encoding pad based on the decoded second block; encoding, by the computing device, the third block with reference to the encoding pad to generate an encoded third block; encoding, by the computing device, the encoded third block with reference to the second block to generate a bi-directional third block; and adding, by the computing device, the bi-directional third block to the bi-directional blockchain.
Absstract of: EP4765715A1
0001 Improvements of blockchain-based user accounts in terms of user security and control are presented. For instance, there is provided a computer-implemented method comprising providing a blockchain-based user account for a user, wherein the user account is associated with a first private key for performing a user operation on a blockchain network, the first private key maintained on a device associated with the user, and wherein the user account is further associated with a second private key and a third private key for collaboratively configuring one or more execution conditions for the user operation, the second private key maintained on the first device and the third private key maintained on a second device, wherein the first device and the second device are devices associated with the user. A corresponding system including at least the first device and the second device and a corresponding method performed at a validator node are also provided.
Absstract of: GB2644927A
This invention pertains to the fields of distributed ledger, cryptocurrency, and decentralized physical infrastructure network. It solves the problems of the blockchain trilemma and cryptocurrency's lack of a real-world value that is recognizable to the mainstream population. Those two problems have prevented any cryptocurrency from gaining mass adoption. The Golf Ledger is distributed across a network of computers that are installed at up to 40,000 golf courses to leverage the existing decentralization of the world's golf courses and their ownership entry barrier and therefore does not need to sacrifice scalability for decentralization and security. The Golf Token as the native cryptocurrency of the Golf Ledger network is rewarded to golf courses for their contributing more and more computing resources to make the network more scalable. Their customers can use the Golf Token to pay golfing fees and get a discount, which is an obvious real-world value.
Absstract of: EP4765728A2
0001 Systems and computer-implemented methods for freezing or unfreezing digital assets on a blockchain. A freeze administration service may send a signed freeze request to mining nodes, which maintain two blacklists of digital asset identifiers: a pending blacklist and a consensus blacklist. The digital asset identifiers may be transaction outpoints in some cases. If accepted by the mining node, the transaction outpoints in the freeze request are added to the pending blacklist, which causes rejection of any transactions using those outpoints, but does not cause rejection of any new blocks that include transactions using those outpoints. If a consensus threshold of acceptances is reached based on hash power, the request becomes an order and the outpoints are added to the consensus blacklist, which causes rejection of any transaction or block containing a transaction using those outpoints.
Absstract of: KR20260095599A
0001a 본 발명의 얼굴인식 및 블록체인 기술이 적용된 출입통제 시스템은 공동 현관문의 통제 기기와는 별도로 설치되는 공동 현관문 하드웨어, 상기 하드웨어를 구동할 수 있는 공동 현관문 하드웨어 구동부, 서버에서 보내주는 ArcFace 특징 벡터 정보를 기반으로 얼굴을 인식하는 공동 현관문 통제를 위한 얼굴인식부, 눈 또는 입 움직임 기반으로 실제 얼굴인가 여부를 판단하는 얼굴인식 안티 스푸핑(Anti Spoofing)부, VPN 하드웨어를 통해 서버와 출입 통제 단말기를 연결하는 VPN 보안 연결 기능부, 출입 통제 기록 자체를 블록으로 설정하고 이전 출입 통제 기록 블록의 Hash 값을 기록할 출입 통제 블록에 포함하는 방식으로 단일 블록 위변조를 방지하는 블록체인 보안 기능부를 포함하여 얼굴인식(AI)으로만 공동 현관문을 출입할 수 있고, 또한 택배 및 우편물의 경우 일일이 방문에 대한 허용하기 귀찮은 경우가 많은데 이 부분은 송장의 QR 코드 인식을 통해 택배사 또는 우체국의 정보를 통해 택배물을 인증하여 출입을 허가할 수 있다.
Absstract of: KR20260093951A
블록체인에 기반하여, 중고상품 거래에 따라 발생되는 탄소절감 마일리지를 운영하는 서버가 개시된다. 본 발명의 일 실시 예에 따른 서버는 저장부 및 중고상품에 부착된 바코드로부터 리드된 상기 중고상품의 스펙 정보를 수신하고, 상기 중고상품의 스펙 정보에 기초하여, 상기 중고상품의 탄소배출량을 획득하고, 상기 중고상품의 탄소배출량, 상기 중고상품의 수명 및 상기 중고상품의 사용 기간에 기초하여, 상기 중고상품의 거래에 따른 탄소절감량을 획득하는 프로세서를 포함할 수 있다.
Absstract of: CA3258075A1
A blockchain accounting system for anonymized funding of employee assistance programs. The method includes generating, on an online platform, a set of support providers registered to provide support services to caregivers; selecting, from the set of support providers, one or more support providers to engage; providing, to an employee on the online platform, one or more redeemable tokens; and transferring the one or more redeemable tokens to the one or more support providers in exchange for the support services provided to the employee. The tokens may be blockchain tokens.
Absstract of: US20260179740A1
0000 A method including steps of: i) creating a patient file for a patient in a blockchain-secured database of patient information; ii) adding medical information about the patient to the patient file in the blockchain-secured database; and iii) providing a medical product or service to the patient based on the medical information contained in the patient file in the blockchain-secured database.
Absstract of: KR20260092674A
0001a 본 발명은 온라인 오디션 플랫폼 회원들이 플랫폼에서 이용 가능한 기본토큰을 발행하는 기본토큰발행부; 회원단말을 통해 구매된 기본토큰을 회원의 플랫폼 개인지갑으로 이동시키는 토큰이동부; 플랫폼 개인지갑으로 이동된 기본토큰을 플랫폼에서 투표를 수행할 수 있는 투표토큰으로 전환하는 토큰전환부; 및 회원의 플랫폼 개인지갑에 존재하는 투표토큰을 민팅하고, 회원의 플랫폼 계정을 투표토큰 소유주로 등록하는 토큰민팅부를 포함하는, 블록체인 기반 유동화 가능한 투표권 토큰을 이용한 오디션 플랫폼 시스템에 관한 것이다.
Absstract of: US20260170491A1
Certain aspects of the present disclosure provide techniques for converting a bridged token on a blockchain to a native token on the blockchain. An example method generally includes pausing a token bridge between a first blockchain and a second blockchain. Minting privileges on the second blockchain are adjusted such that a designated user is granted privileges to control token minting on the second blockchain and no other users are allowed to control token minting on the second blockchain. It is validated that a quantity of a bridged token has remained unchanged since a freeze time at which the token bridge was paused. Based on validating that the quantity of the bridged token has remained unchanged since the freeze time, the bridged token is converted to a native token existing on the second blockchain.
Absstract of: US20260172486A1
0000 One or more computing devices, systems, and/or methods for a distributed blockchain that maintains operator identifier information are provided. A network operator generates a transaction to associate mobile code information with user equipment identifier information as the operator identifier information. The transaction is executed against a blockchain of nodes representing network operators. A smart contract of the blockchain is used to validate the transaction. In response to validating the transaction, the mobile code information and the user equipment identifier information is appended to the blockchain for use by an aggregator for determining how to route API requests to network operators.
Absstract of: US20260170490A1
Methods, systems, and devices for data management are described. The described techniques may enable a user of a custodial token platform to generate a transaction link that may initiate a blockchain transaction to transfer an amount of crypto token to a destination address. For example, the user may provide a signature, the destination address, and other data associated with the transaction to a client application. The client application may generate a link that encodes the destination address, the signature, and/or the data. The user may accordingly provide the link to the one or more other users. In response to the one or more other users selecting the link, the client application may prompt the one or more other users to authorize the transaction and may accordingly cause the transfer of the amount of token to the destination address.
Absstract of: US20260172272A1
A facility providing a verifiability cluster is described. The verifiability cluster is made up of multiple verifiability machines. Each has an interface adapted to receive a first input; software adapted to determine a result at least partly in response to the first input; and a verifiability mechanism. The verifiability mechanism collaborates with the other verifiability machines to aggregate the determined results to obtain an aggregate result; and generate verification evidence of the properness of the aggregate result. The aggregate result and generated verification evidence are amenable of being settled together to a blockchain.
Absstract of: DE102024004269A1
Die Erfindung betrifft ein Verfahren und System zur bidirektionalen Verschränkung digitaler Tokens mit physischen Vermögensgegenständen auf Blockchain-Netzwerken. Ein autonomer intelligenter Vertrag implementiert einen Zustandsautomaten, der die Zustände qualifiziert, handelbar und kaufbar verwaltet und physische Prozesse (Einlagerung, Auslagerung) mit digitalen Zustandsänderungen koppelt.Das Verfahren ermöglicht die emittentenlose Tokenisierung realer Vermögenswerte durch technische Verschränkung: Der Eigentümer erstellt einen Token, reichert ihn mit Metadaten an und lagert den korrespondierenden Gegenstand bei einem Verwahrer ein. Die Blockchain-basierte Bestätigung der Einlagerung aktiviert die Handelbarkeit des Tokens automatisch.Rollenbasierte Berechtigungen (Ersteller, Eigentümer, Verwahrer, Käufer) werden ausschließlich durch kryptographische Wallet-Signaturen legitimiert. Der Handel erfolgt autonom ohne Intermediäre: Der Vertrag überschreibt bei Kauf den Token an den Käufer und überträgt simultan den Kaufpreis in digitaler Währung an den Verkäufer.Die Erfindung gewährleistet Manipulationssicherheit durch die Unveränderlichkeit des migrierten Vertrags und die öffentliche Nachvollziehbarkeit aller Transaktionen auf der Blockchain.
Absstract of: US20260170558A1
A computer-implemented method is provided for maintaining multiple retirement plans for a user using a combination of a blockchain account and an off-chain account associated with the user. The method includes creating and maintaining the blockchain account for the user that comprises one or more digital wallets corresponding to one or more retirement account types of the retirement plans and a smart contract configured to manage the one or more digital wallets. The method also includes receiving, via the off-chain account of the user, a transaction request with respect to a target retirement plan and processing, by the smart contract of the blockchain account of the user, the transaction request. The method further includes storing, on chain, a proof of execution of the transaction request including a cryptographic proof of off-chain data related to the execution of the transaction request stored in the off-chain account of the user.
Absstract of: WO2026127667A1
The present document relates to an electronic device included in a blockchain network and an operation method thereof. According to one embodiment, an electronic device corresponding to one of nodes included in a blockchain network comprises: a communication circuit; at least one processor including a processing circuit; and a memory for storing instructions. According to one embodiment, the instructions, when executed individually or collectively by the at least one processor, instruct the electronic device to: confirm, through the communication circuit, information about a block last stored in the nodes through a server configured to relay message transmission between the nodes included in the blockchain network; request the server to add a new block to the nodes on the basis of identifying that the number of blocks accumulated in the memory which are confirmed on the basis of the confirmed information about the block is equal to a specified block capacity; extract transaction information about the number of the last blocks corresponding to the specified transaction capacity from the nodes through the communication circuit; generate new transaction information on the basis of the extracted transaction information; transmit, to the server, information related to a consensus for initializing blocks pre-stored in the nodes; transmit the new transaction information to the server so that the new transaction information to be stored in the new block is transmitted to the nodes vi
Absstract of: US20260170494A1
0000 Methods, systems, and devices for data management are described. The described techniques may enable a user of a custodial token platform to generate a transaction link that may initiate a blockchain transaction to transfer an amount of crypto token to a destination address. For example, the user may provide a signature, the destination address, and other data associated with the transaction to a client application. The client application may generate a link that encodes the destination address, the signature, and/or the data. The user may accordingly provide the link to the one or more other users. In response to the one or more other users selecting the link, the client application may prompt the one or more other users to authorize the transaction and may accordingly cause the transfer of the amount of token to the destination address.
Nº publicación: WO2026128122A1 18/06/2026
Applicant:
CROSSBAR INC [US]
CROSSBAR, INC.
Absstract of: WO2026128122A1
Methods and systems for hiding secret messages or data in an NET are described. A system may access data specified by a user to embed within a digital asset. The system may determine a steganography scheme to use to embed the data and embed the data within the digital asset according to the steganography scheme. The system may store the digital asset embedded with the data on a decentralized storage network and receive an associated first Uniform Resource Identifier (URI). The system may create, using the first URI, a metadata of the digital asset embedded with the data. The system may store the metadata on the decentralized storage network and receive an associated second URI. The system may create a non-fungible token (NET) based on the second URI and store the NET on a blockchain. The user or other users may subsequently retrieve the digital asset from the decentralized storage network and extract the data embedded therein.
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