Resumen de: US2023015077A1

Methods and systems are provided for estimating a carbon footprint of a vehicle in real-time. In one example, the carbon footprint is estimated based on blockchain data. The blockchain data may record carbon emissions generated along one or more energy supply chains of the vehicle, and the estimated carbon footprint may be displayed at a user interface at a list of estimated carbon footprints corresponding to recharging or refueling sites.

Resumen de: WO2023285045A1

A computer-implemented method performed in a system comprising a first user with a first public key and a second user, the method comprising: generating, by the first user, a second public key based on: the first public key; a first message; and a signature for the first message generated by the second user; providing, by the first user, the second public key to the second user; determining, by the second user, a third public key based on: the first public key; a second message; and the signature for the second message generated by the second user; verifying, by the second user, whether the third public key is equal to the second public key; and when the third public key is equal to the second public key, determining that the first message is equal to the second message and submitting a transaction comprising the second public key to a blockchain network.

Resumen de: US2023019573A1

The present disclosure relates to blockchain and social media, and more specifically, to a unified engagement platform that incentivizes blockchain use and provides avenues for companies to foster brand loyalty amongst consumers. In accordance with aspects and embodiments, a method of facilitating blockchain use is provided. The method comprises providing a social media platform in communication with a blockchain and providing each user of the platform with a blockchain account. Social media influencers and creators, brands, and retailer users of the platform, referred to as partners, are provisioned with a set of digital collectibles having value and are provided with tools to create additional digital collectibles. A partner's digital collectibles are distributed to non-partner users on the platform that support the partner, users referred to as supporters. Supporters may obtain digital collectibles by purchasing them, by engaging in social media activity that benefits the partner, offering the digital collectible, or digital collectibles may be offered by partners as contest and sweepstakes prizes. The platform uses the blockchain for the construction, management, and distribution of all digital collectibles, and each time a digital collectible is created or distributed, a transaction must be posted to the blockchain to complete the distribution.

Resumen de: US2023020703A1

A system and method is disclosed for a digital identity (DI) management platform. A carbon identification may be generated to include personal information unique to a user. The personal information may be authenticated by an external entity (e.g., governmental agency) to the digital identity management platform. A silicon identification may be generated for multiple devices registered to the user and may include a unique identifier for each device. A digital identity may be generated that links the carbon identification and the silicon identification The digital identity may be stored within a digital wallet accessible on each device by a user profile created and secured using a blockchain process. A request to access the personal information stored within the digital identity may be received and a predefined trust level will determine the amount of personal information to be provided.

Resumen de: US2023019639A1

Systems and methods are disclosed for blockchain-based payment transactions, alerts, and dispute settlement, using a blockchain interface server. One method includes: receiving a transaction identifier for a series of transaction events stored in a shared ledger; and performing iterations of: identifying a new transaction event in the series of transaction events; presenting the new transaction event to participants of the transaction; determining whether the identified new transaction event indicates a dispute of one or more attributes of the transaction by a transaction participant; if the identified new transaction event indicates a dispute, receiving a proposed change to the disputed attribute of the transaction by the participant of the transaction; presenting the indication of the dispute and the proposed change to other participants; prompting the other participants to respond to the indication; executing a dispute settlement process to determine revised attributes of the transaction; and presenting the revised attributes.

Resumen de: US2023019045A1

The present disclosure provides a method of facilitating trading a stored value card using blockchain. Further, the method may include receiving a trading request associated with a stored value card from a user device, retrieving stored value card information associated with the stored value card, transmitting the trading request and the stored value card information to a second user device, receiving a confirmation from the second user device, issuing a second stored value card to a second user based on the confirmation, retrieving a first smart contract, executing the first smart contract, updating the stored value card information based on the executing of the first smart contract, generating a trading confirmation based on the updating, and storing the trading confirmation, a second stored value card information, and the stored value card information.

Resumen de: US2023017740A1

The present disclosure discloses an electric border gateway device which adopts the blockchain technology to implement communication authentication and data transmission encryption at the gateway. As a device for sinking and processing local information, the border gateway device may build not only a local blockchain network with a variety of local electric sensing terminal devices, but also a regional blockchain network with other border gateways and electric management platforms. As a critical node of these two types of blockchain, the border gateway may enable the authentication of identity legality between electric sensing terminal devices, the critical data storage in the blockchain ledger, the deployment and implementation of blockchain transaction by control and coordinated functions, and the safe and reliable data interaction. The present disclosure also discloses a method for chaining and storage of sensing data based on the electric border gateway device.

Resumen de: US2023017364A1

Disclosed is a method for use in a virtual asset transmission from a sender having a sending account at a sending virtual asset service provider (sending VASP) to a recipient having a receiving account at a receiving virtual asset service provider (receiving VASP). The method involves sending, to the receiving VASP, a first request for verifying the receiving account of the recipient at the receiving VASP; receiving, from the receiving VASP, a verification result confirming that the receiving account of the recipient at the receiving VASP is valid; subsequently receiving, from the sending VASP, a second request for verifying a blockchain record for a transmission of a virtual asset from the sender to the recipient; upon receipt of the second request, determining if the transmission has been recorded on a blockchain network; and upon determining that the transmission has been recorded on the blockchain network, sending, to the receiving VASP, a third request to update the receiving account of the recipient at the receiving VASP about the transmission of the virtual asset from the sender to the recipient.

Resumen de: US2023015569A1

A data structure embodied in one or more blockchain transactions has a plurality of nodes, each node embodied as a hash value contained in a blockchain transaction of the one or more blockchain transactions; and a plurality of directional edges plurality of nodes comprises leaf nodes and non-leaf nodes. In a first aspect, at least one of the non-leaf nodes has at least one child leaf node and at least one child non-leaf node, the hash value of the at least one non-leaf node being a hash of a concatenation of the respective hash values of the child leaf node and the child non-leaf node. In a second aspect, a first of the non-leaf nodes has a different number of child nodes than a second of the non-leaf nodes. In a third aspect, a first of the leaf nodes has a different level than a second of the leaf nodes.

Resumen de: US2023015556A1

The present invention relates to a lightweight data storage apparatus for graphic blockchains, at least comprising a common transaction construction module for a user to initiate new transactions and a network broadcast module for broadcasting the transactions, wherein the apparatus further comprises a combined-transaction constructing module and a transaction deleting module, wherein the combined-transaction constructing module serves to determine whether number of transactions initiated by an account satisfies a first predetermined condition, and if yes, execute a first lightening procedure on the transactions, and the transaction deleting module serves to execute a second lightening procedure on the transactions that have been processed by the first lightening procedure and now have validation references satisfying a second predetermined condition, after which the network broadcast module broadcasts the transactions obtained after the second lightening procedure. With the disclosed transaction-combining and reference-transaction-deleting scheme, data storage overheads of a graphic blockchain can be reduced.

Resumen de: US2023015535A1

A substantially fully-digital procurement process for government contracts that expeditiously fulfills a government entity's procurement needs within a geographical location in a fair and competitive manner. Online digital projects created using audio and video technologies allow potential bidders to easily visualize the tasks and competitively bid for them. Audio and visual features may be added to all stages—communication among stakeholders, planning of a digital project, preparation of a digital solicitation, and bidding on the solicitation—of the competitive bidding process. Substantially all project specification documents may be replaced using visual and audio technologies, and blockchain-based smart contracts to enable the government entity to digitally execute a procurement solicitation. Potential suppliers and contractors are connected on a geospatial location mapping system to expedite the procurement and add accessibility to local businesses, connect minority businesses, and create local economic sustainability. User rating makes the bidding process more transparent, fair, and competitive.

Resumen de: US2023015846A1

Methods and systems include a trade finance digital asset platform that generally provides improved visibility, security, and workflow execution for a set of trade finance transactions enabling capabilities for trade finance asset digitization, a trade finance data object model, interfaces to systems used by parties to trade finance transactions, event and state reporting services, and smart contract services that optionally operate using a blockchain.

Resumen de: AU2021283893A1

Examples relate to multiple microprocessor architecture for cold storage of digital currency. A hardware wallet may include a first microprocessor configured to establish a secure connection with a mobile device connected to a network having access to a blockchain and a second microprocessor configured to generate a private key and a public key for communication of transaction data onto the blockchain. The second microprocessor may initially use a hash function and the private key to encrypt the transaction data and produce a digital signature independent from the first microprocessor and subsequently provide the digital signature and the public key to the first microprocessor for communication onto the blockchain via the secure wireless connection with the mobile device. The second microprocessor may also encrypt and store the private key securely within the wallet's memory such that the private key is readable only by the second microprocessor.

Resumen de: AU2021283713A1

The invention relates to a banknote (100) comprising a security element having a processor (124) and a memory (120). A private cryptographic key (118) of an asymmetric key pair of the banknote (100) is stored in a protected storage area (122) of the memory (120). The asymmetric key pair is associated with a banknote-specific blockchain address in a blockchain (148). A payment procedure performed with the banknote (100) includes: ∙ Receiving a payment request for a payment with the banknote (100) in the form of a transaction of an amount to be paid from the blockchain address of the banknote (100) to a blockchain address of a payee, ∙ signing a transaction release with the private cryptographic key (118) of the banknote (100), ∙ sending the signed transaction release.

Resumen de: WO2023287097A1

Provided are a decentralized qualification certification method using a special purpose token on a blockchain network, and a system therefor. The method comprises the steps of: receiving, by a management server, a qualification certification request of a user from a user terminal; generating, by the management server, a first token and a second token on the blockchain network in response to the request; transmitting, by the management server, the first token to the user terminal and the second token to a verification server; transmitting the first token from the user terminal to the verification server; verifying, by the verification server, the qualification of the user who provided the first token; and recording, by the verification server, qualification certification on the first token and providing same to the user terminal.

Resumen de: WO2023287977A1

A system and method is disclosed for a digital identity (DI) management platform. A carbon identification may be generated to include personal information unique to a user. The personal information may be authenticated by an external entity (e.g., governmental agency) to the digital identity management platform. A silicon identification may be generated for multiple devices registered to the user and may include a unique identifier for each device. A digital identity may be generated that links the carbon identification and the silicon identification The digital identity may be stored within a digital wallet accessible on each device by a user profile created and secured using a blockchain process. A request to access the personal information stored within the digital identity may be received and a predefined trust level will determine the amount of personal information to be provided.

Resumen de: WO2023287878A1

The disclosed system provides a novel framework for organizing, hosting and/or providing capabilities for an online, mobile esports gaming environment. In some embodiments, the disclosed framework supports tokenization and nonfungible tokens (NFTs), and can operate in connection with a Blockchain (or similar distributed ledger technology). In some embodiments, the disclosed framework provides a live-streaming, secure, cryptocurrency-enabled and backed gaming environment. In some embodiments, the disclosed framework provides an electronic tournament experience via an organization and streaming platform that enables gamers to accurately and efficiently organize mobile game tournaments that pay out real prizes in any currency (e.g., crypto or fiat). In some embodiments, the disclosed framework can be configured and built as a mobile computing environment, and/or with mobile functionality that enables an optimized mobile gaming experience.

Resumen de: WO2023287435A1

In one example in accordance with the present disclosure, an electronic device is described. An example electronic device includes a processor. The example processor is to record information for a digital certificate to a blockchain ledger. The example processor is to authorize a transaction for the digital certificate based on the blockchain ledger.

Resumen de: WO2023286900A1

Disclosed is a blockchain authentication system based on real-time proof of location. The system comprises: a mobile terminal for encoding data and transmitting the encoded data; and a POL authentication server. The POL authentication server: receives real-time GPS location information from the mobile terminal and encodes data such as the current time and an ID; authenticates GPS location information and data stored in memory, the GPS location information and data being authenticated in a block along with hash data; and, in the case that the GPS location information and data are authenticated, generates a new block, copies the current hash data of the GPS location information in the block and stores the copied hash data in the generated block, connects the block and the generated block, and converts the real-time GPS location information and the data into hash values and stores the converted values in the generated block as the current hash data of location information. According to the above-described blockchain authentication system based on real-time proof of location, when a web service, a mobile service, a server or the like requests user authentication, a user can be authenticated on the basis of real-time proof of location, and connection is only possible within a set distance. Thus, the blockchain authentication system has the effect of enabling more secure personal authentication and data storage. In addition, the blockchain authentication system enables stronger use

Resumen de: WO2023288317A1

An apparatus for charging fees to a renter of equipment based upon wear to an item of equipment is disclosed herein. The apparatus can include a communications device proximal to the equipment that charges the renter, via a connected blockchain network, based off of the amount of vibration, pressure, flow rate, or temperature that the item of equipment is subjected to.

Resumen de: WO2023287805A1

Aspects described herein may allow for receiving, from a device in communication with a blockchain, a content proposal stored on the blockchain; providing, to a plurality of user devices, the content proposal; receiving, from the device, information indicating a user rating generated by a first user device of the plurality of user devices and stored on the blockchain via a smart contract associated with the content proposal, and a stake comprising one or more blockchain credits associated with the user rating; and ranking a plurality of content proposals comprising the content proposal, wherein a rank of the content proposal is based on the user rating and the stake for the user rating.

Resumen de: WO2023287326A1

The inventions relate to a computer-implemented method and decentralized system for carrying out the transfer of digital currency units, wherein, during a transfer, a digital currency unit of one type is converted into a digital currency unit of another type, and wherein all of the elements of the system are connected to one another by telecommunications means. The decentralized system comprises a distributed ledger of digital banking services, digital banking services within the zone of validity of a digital currency unit, and user accounts, wherein the system, by means of a smart contract functionality, makes it possible to carry out transactions between digital banking services, plan routes for conversion and cross-currency transactions, calculate the optimal sequential execution of conversion contracts, and execute conversion and cross-currency transactions via an agreed route, and is further designed to allow access to a digital wallet of a user for management of the user's accounts in a blockchain, and to allow the management of transactions between a digital wallet, accounts in the distributed ledger of digital banking services and accounts in an information system of a bank. The inventions make it possible to improve the security, reliability and speed of transactions.

Resumen de: WO2023286774A1

Provided is a technology for using a non-fungible token as a digital ticket. A disclosed method is a method for using a digital ticket, wherein the method comprises a computer executing, in a block chain, first processing for operating, for using a digital ticket, a first non-fungible token of which the owner is recorded, wherein the digital ticket is preserved in association with the first non-fungible token in a database so as to be displayed on a terminal of a user who is recorded in the block chain as the owner of the first non-fungible token. The first processing includes a first change processing in which the owner of the first non-fungible token is changed by transmitting the first non-fungible token associated with the digital ticket to a blockchain address for recovering the first non-fungible token.

Resumen de: WO2023286773A1

Provided is a technique for enabling procurement of a non-fungible token (NFT) by using a readily available product. The disclosed method comprises: first identification information for identifying a product manufactured by printing being acquired by an issuing device for printing the product; data for printing the product identified by the first identification information being acquired by the issuing device from an external device via a network by using the first identification information; and, the data for printing being printed by the issuing device. The data for printing the product identified by the first identification information includes data for machine-readable code. The code indicates at least second identification information for a management system for NFTs recorded in a blockchain to identify a product NFT with which data related to the product are associated. When the code is read by a terminal, the management system acquires the second identification information indicated by the code from the terminal, and transmits the product non-fungible token identified by the second identification information to a blockchain account used in the terminal that read the code.

Resumen de: WO2023284299A1

Embodiments of the present application provide a method and system for supervising an engineering project, which relate to the technical field of the Internet. The method comprises: obtaining first engineering project information of a first role; obtaining statistics of the first engineering project information on the basis of a preset early warning rule, and sending early warning information on the basis of statistical results; checking the early warning information on the basis of second engineering project information stored in a blockchain, and processing the early warning information on the basis of checking results. In the method provided in the embodiments of the present application, an engineering project may be effectively supervised, thereby effectively avoiding the problem of the wages of migrant workers from rural areas being in arrears.