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Solicitudes publicadas en los últimos 30 días / Applications published in the last 30 days



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METHOD AND DEVICE FOR AVOIDING DOUBLE-SPENDING PROBLEM IN READ-WRITE SET-MODEL-BASED BLOCKCHAIN TECHNOLOGY

NºPublicación: EP3628093A2 01/04/2020

Solicitante:

ALIBABA GROUP HOLDING LTD [KY]

WO_2019137567_PA

Resumen de: WO2019137567A2

Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage media, for avoiding double-spending problem in read-write set-model-based blockchain technology. One of the methods includes receiving instructions to execute two or more blockchain transactions on a piece of data, where all blockchain transactions of the two or more blockchain transactions modify a value of the piece of data, and for each blockchain transaction from the two or more blockchain transactions, pre-executing a smart contract associated with the blockchain transaction to generate a special instruction indicating the blockchain transaction, where the special instruction is used to validate that a current value of the piece of data supports the blockchain transaction when executing the smart contract to write the blockchain transaction to a blockchain.

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METHOD AND SYSTEM FOR VALIDATING A TRANSACTION IN A BLOCKCHAIN IN CONNECTION WITH A PRODUCT LIFECYCLE

NºPublicación: EP3629269A1 01/04/2020

Solicitante:

SIEMENS AG [DE]

Resumen de: EP3629269A1

The present invention discloses a method for validating a transaction in a blockchain configured for tracking and tracing changes occurring during a product lifecycle, the method comprising:a) receiving (101) a request for a transaction for the product;b) checking (102) if a smart contract is available for said transaction, and if so then executing the smart contract code;the computer implemented method being characterized in that the request comprises customized validation rules defined for the transaction wherein each customized validation rule defines a Boolean predicate and encodes a condition for validating the transaction, and wherein the execution of the smart contract code comprises:b1) determining (104) whether the smart contract code handles code injection, and if so, passing (105) each Boolean predicate as a parameter of the smart contract code andexecuting said Boolean predicate on the smart contract code in order to determine if the condition of the customized validation rule for validating the transaction is satisfied for said Boolean predicate;b2) executing (109) the transaction and pushing data records associated to said transaction into a node of the blockchain if and only if each of the conditions of the customized validation rules for validating the transaction has been satisfied, wherein said data records comprise the customized validation rules used for validating the transaction and that have been previously checked as a writing of the transaction.

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METHOD OF MANAGING OWNERSHIP OF VIRTUAL OBJECT AND RELATED INTERACTIVE PLATFORM

NºPublicación: EP3629275A1 01/04/2020

Solicitante:

XRSPACE CO LTD [TW]

Resumen de: EP3629275A1

An interactive platform (10) for managing an ownership of a virtual object includes a processing unit (100); and a storage unit (102), for storing a program code (1020) to instruct the processing unit (100) to perform using a blockchain method to encrypt the virtual object after a first owner provides the virtual object in the interactive platform (202); and using the blockchain method to encrypt the virtual object when the ownership of the virtual object is changed in the interactive platform (204); wherein a blockchain corresponding to the virtual object is formed by at least one user who have possessed the virtual object.

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FIELD-PROGRAMMABLE GATE ARRAY BASED TRUSTED EXECUTION ENVIRONMENT FOR USE IN A BLOCKCHAIN NETWORK

NºPublicación: EP3628087A2 01/04/2020

Solicitante:

ALIBABA GROUP HOLDING LTD [KY]

CN_110392889_A

Resumen de: WO2019120315A2

Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage media, for configuring a field programmable gate array (FPGA) based trusted execution environment (TEE) for use in a blockchain network. One of the methods includes storing a device identifier (ID), a first random number, and a first encryption key in a field programmable gate array (FPGA) device; sending an encrypted bitstream to the FPGA device, wherein the encrypted bitstream can be decrypted by the first key into a decrypted bitstream comprising a second random number; receiving an encrypted message from the FPGA device; decrypting the encrypted message from the FPGA device using a third key to produce a decrypted message; in response to decrypting the encrypted message: determining a third random number in the decrypted message; encrypting keys using the third random number; and sending the keys to the FPGA device.

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ASSET CUSTODY METHOD, STORAGE MEDIUM, BLOCKCHAIN SYSTEM, AND BLOCKCHAIN NODE

NºPublicación: WO2020056601A1 26/03/2020

Solicitante:

WANG JIAN [CN]

Resumen de: WO2020056601A1

An asset custody method, a storage medium, a blockchain system, and a blockchain node. The method comprises: when an execution condition of a smart custody contract is met, the smart custody contract requesting signature authorization of an asset holder node, an entity token of assets, and a witness node (S21); and when the signature authorization of any two of the asset holder node, the entity token, and the witness node is acquired, executing the smart custody contract (S22). The asset holder node is a node of an owner of the assets in the blockchain system. The witness node is a blockchain node randomly selected by the smart custody contract by means of a preset algorithm when an asset holder transfers the assets to the smart custody contract. The entity token is entity hardware corresponding to the assets, and is used to generate a one-time password so as to perform signature authorization on execution of the smart custody contract.

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A BLOCK CHAIN-BASED SYSTEM FOR MULTI-PARTY, MULTISTAGE PROCESS VERIFICATION

NºPublicación: WO2020056458A1 26/03/2020

Solicitante:

NEWSOUTH INNOVATIONS PTY LTD [AU]
THE COMMONWEALTH OF AUSTRALIA REPRESENTED BY THE DEPT OF DEFENCE [AU]

Resumen de: WO2020056458A1

A block chain-based system for multi-party, multistage process verification has a server in operable communication with a plurality of electronic client terminals. The server has a database which may have user data and implement a process verification controller. The system further has a block chain ledger. For a multistage process involving multiple users, for each stage, the system is configured for receiving a function ID selected from a set of available functions via user interfaces of respective client terminals, generating a function hash comprising the function ID and associated function data and creating a function block chain transaction comprising the function hash which is added to the block chain ledger.

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SETTLEMENT SYSTEM, SETTLEMENT METHOD, USER DEVICE, AND SETTLEMENT PROGRAM

NºPublicación: WO2020059865A1 26/03/2020

Solicitante:

NIPPON TELEGRAPH & TELEPHONE [JP]

JP_2020047104_A

Resumen de: WO2020059865A1

Provided is a settlement system comprising: a service provider device 2 that transmits a model information transaction, which contains a transaction model, to a first blockchain network 4; a user device that transmits a payment information transaction, which contains a payment amount and an electronic signature generated using the transaction model, to the first blockchain network 4; and a smart contract 41. The smart contract 41 verifies the electronic signature using the payment amount and the transaction model. The service provider device 2 generates a settlement transaction using the transaction model, the electronic signature, and the payment amount, and transmits the settlement transaction to a second blockchain network 3. A plurality of output conditions are set in the transaction model. The settlement transaction can be used when any of the plurality of output conditions is met.

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BLOCKCHAIN-BASED SYSTEM AND METHOD FOR FEDERATED AUTOMATED TELLER MACHINE MANAGEMENT

NºPublicación: WO2020059893A1 26/03/2020

Solicitante:

NEC CORP [JP]

Resumen de: WO2020059893A1

A server, a method and a distributed ledger network for processing a transaction request at an Automated Teller Machine (ATM) are disclosed. The ATM is a node in a distributed ledger network. The server is managed by an issuer who is a party in the distributed ledger network. The distributed ledger network is configured to maintain a distributed ledger. The server comprises at least one processor and at least one memory including computer program code. The memory and the computer program code configured to, with the one processor, cause the server at least to receive, from the ATM, the transaction request comprising an encrypted identifier associated with an account and a transaction amount, decrypt the encrypted identifier using a decryption key that is associated with the distributed ledger network to identify an issuer which issues the account, and process the transaction request in response to the decryption.

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A BLOCK-CHAIN BASED SMART SECURITIZATION PLATFORM

NºPublicación: WO2020058993A1 26/03/2020

Solicitante:

INTAIN TECH PRIVATE LIMITED [IN]

Resumen de: WO2020058993A1

A blockchain based smart securitization method comprising: by a blockchain-enabled securitization database, hosting first content items (securities); by a blockchain-enabled securitization processor; pooling selected first content items to form a second content item (securitization pool); determining third content items (tranches) by breaking second content item into tranches; defining and executing a smart contract, with third content items, with pre-defined rules and trigger points; by a blockchain-enabled network processor; determining an ORIGINATOR NODE, with first content item and second content item; hashing second content item and serving via an ISSUER NODE; allowing, through a SERVICER NODE, an ISSUER of said ISSUER NODE to pre-define rules and triggers of smart contract to allow an INVESTOR to engage with third content items; allowing, through an INVESTOR NODE, an INVESTOR to engage third content items correlating with triggers and rules to achieve ownership of third content items in an immutable rule-based, trigger-based, transactional engagement.

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BLOCKCHAIN FOR SECURING AND/OR MANAGING IOT NETWORK-TYPE INFRASTRUCTURE

NºPublicación: EP3625982A1 25/03/2020

Solicitante:

ADVANCED RISC MACH LTD [GB]

CN_110622531_A

Resumen de: WO2018211274A1

Briefly, example methods, apparatuses, and/or articles of manufacture are disclosed that may be implemented, in whole or in part, using one or more Internet of Things devices to facilitate and/or support one or more operations and/or techniques for a blockchain for securing and/or managing IoTnetwork-type infrastructure, such as implemented in connection with one or more computing and/or communication networks and/or protocols.

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SECURE OFF-CHAIN BLOCKCHAIN TRANSACTIONS

NºPublicación: EP3625745A1 25/03/2020

Solicitante:

NCHAIN HOLDINGS LTD [AG]

US_2020074464_A1

Resumen de: WO2018211382A1

There may be provided a computer-implemented method. It may be implemented using a blockchain network such as, for example, the Bitcoin network. The computer-implemented method includes: i) attaching a digital asset of a first party to an exchange platform by: a) computing a first shared key associated with the digital asset using a key of the first party and a first key of the exchange platform; and b) depositing the digital asset to a blockchain network by: 1) generating a funding transaction payable to any party from the digital asset using the first shared key; and 2) broadcasting the funding transaction to the blockchain network; and ii) reassociating the digital asset from the first party to the second party by: a) computing a second key of the exchange platform using a key of the second party such that: 1) the key of the first party becomes invalid; and 2) a second shared key associated with the digital asset that is computed from the key of the second party and the second key of the exchange platform is equal to the first shared key associated with the digital asset; and b) replacing the first key of the exchange platform with a second key of the exchange platform.

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CROSS-CHAIN TRADING METHOD AND APPARATUS

NºPublicación: EP3627431A1 25/03/2020

Solicitante:

HUAWEI TECH CO LTD [CN]

WO_2019042101_A1

Resumen de: EP3627431A1

This application discloses a cross-chain transaction method and apparatus. In the method, for any node on a first blockchain of blockchains on which a plurality of associated transactions occur, after receiving an association transaction sent by a consensus node, the node needs to determine, based on an identifier of an anchor transaction included in the association transaction, whether the anchor transaction is a valid transaction, and if the anchor transaction is a valid transaction, writes a transaction that occurs in the first blockchain into the first blockchain based on identifiers of the blockchains on which the plurality of transactions occur, to ensure that the plurality of associated transactions on the plurality of blockchains are successfully submitted simultaneously, and effectively avoid problems in the prior art that a plurality of transactions fail to be submitted simultaneously and a successful transaction may be irrevocable. In addition, because the plurality of transactions are atomic, it is not necessary to design an intermediate status and a rollback transaction based on a specific service type.

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CRYPTOLOGIC SELF-EXECUTING BLOCKCHAIN EXPORT COMMITMENT

NºPublicación: EP3627373A1 25/03/2020

Solicitante:

ACCENTURE GLOBAL SOLUTIONS LTD [IE]

US_10250394_PA

Resumen de: EP3627373A1

A data furnisher may append, to a furnisher blockchain, an interoperability smart contract comprising a cryptologic committal. The cryptologic committal may include logic configured to cause a data receiver to commit token data to the receiver blockchain based on a pre-commit authorization. The data furnisher may encrypt, based on a committal key, a pre-commit authorization to transfer token data stored on the furnisher blockchain to the receiver blockchain. The data furnisher may transmit the pre-commit authorization to the data receiver. After transmission of the pre-commit authorization, the data furnisher may receive a pre-commit acknowledgement of the pre-commit authorization. The data furnisher may lock the token data on the furnisher blockchain in response to verification that the token data is appended to the data receiver blockchain. The data furnisher may send the predetermined committal key to the data receiver to commit the token data to the data receiver blockchain.

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A System and Method for Implementing a Private Computer Network

NºPublicación: AU2020201461A1 19/03/2020

Solicitante:

BLOCKCHAIN IT SOLUTIONS PTY LTD

AU_2018386714_A1

Resumen de: AU2020201461A1

A method for implementing a private computer network over which digital assets can be securely managed, the method comprising: implementing an autonomous network agent on each of a plurality of network devices that are communicable over a digital communications medium, the autonomous network agent being operable to execute a network program that is embodied as program code in a blockchain that is stored and synchronised by the respective network devices, the network program defining permissible network defined digital asset types and corresponding functions.

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Physical item mapping to blockchain framework

NºPublicación: AU2018389229A1 19/03/2020

Solicitante:

RADY MAX

WO_2019126705_PA

Resumen de: AU2018389229A1

There is provided a framework to record to a blockchain unique identification (signatures) of physical items which have unique, random properties. Physical items are analysed using spectral imaging to determine the unique identifications. Hardware is shown to perform the analysis and various nodes of a peer-to-peer network are shown and described, which nodes may be configured to provide proof of location, privacy, trust and authentication. The solution can work even if the item is modified in some way if a subset of the unique properties remain.

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Blockchain-powered real estate sales and rental system

NºPublicación: AU2018328124A1 19/03/2020

Solicitante:

SHELTERZOOM

WO_2019050904_A1

Resumen de: AU2018328124A1

A transaction system has Internet-connected partner platforms hosted by real- estate sale enterprises, displaying property for sale or rent with an Offer-Now button initiating coded instructions to display an electronic input form enabling a person to configure an offer on one of the properties, and an Internet-connected service enterprise providing the coded instructions to the partners, configured specifically to partner requirements. Upon the person activating the Offer Now button from a mobile device, a verification code is sent to the device, to be returned to verify the device, and offer input provided through the device and the electronic form is tracked to be saved as an offer for sale or rent of the specific property.

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ESTABLISHING PROVENANCE OF DIGITAL ASSETS USING BLOCKCHAIN SYSTEM

NºPublicación: WO2020055926A2 19/03/2020

Solicitante:

MASTERPEACE SOLUTIONS LTD [US]

US_2020084045_A1

Resumen de: WO2020055926A2

In some implementations, a method is provided. The method includes receiving a request to establish a provenance of a digital asset. The digital asset includes a set of signatures. The method also includes generating a hash of the digital asset. The method further includes updating a distributed ledger of a blockchain system with the hash of the digital asset to establish the provenance of the digital asset.

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BLOCKCHAIN FOR DATA AND MODEL GOVERNANCE

NºPublicación: WO2020055904A1 19/03/2020

Solicitante:

FAIR ISAAC CORP [US]

US_2020082302_A1

Resumen de: WO2020055904A1

A model governance framework uses a shared ledger on the back of a blockchain. The solution tracks various analytic tracking documents (ATDs) and associated assets, like requirements and sprints, through various stages of an ATD lifecycle. Data schema and data distributions are also tracked. The decision models, corresponding variables and execution codes are also tracked. Existing variables and execution codes are made available via a preexisting asset ATD for reuse. Various transactions provide mechanism for accessing and manipulating the various assets through a recorded ledger of events and approvals. A system provides tracking of the approvals and the approvers of all model assets that are touched by any participant, and further provides access control and security for multi-user access. An application layer provides graphical access to the various aspects of the blockchain. Event notification provides the backbone for interfacing with various external systems like email servers and version control systems.

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METHOD FOR MANAGING AND PROVIDING RECRUITMENT INFORMATION

NºPublicación: WO2020052578A1 19/03/2020

Solicitante:

LIANSHANG XINCHANG NETWORK TECH CO LTD [CN]

CN_109214780_A

Resumen de: WO2020052578A1

A method for managing and providing recruitment information, the recruitment information comprising resume information of candidates and organization information of companies. For example, the resume information of candidates comprises basic information, educational backgrounds, work experience information, and the like of the candidates, and the organization information of companies comprises basic information, work environments, organization evaluation information, and the like of the companies. The method specifically comprises: receiving resume information of a user seeking employment, wherein the resume information comprises work experience information of the user seeking employment (S11); providing the work experience information to an organizational user of a work organization to which the work experience information belongs (S12); acquiring work evaluation information, related to the work experience information, from the organizational user (S13); and writing the resume information and the work evaluation information into a blockchain-based distributed ledger (S14). The method realizes mutual evaluation of employers and employees, achieves information transparency, and provides real and reliable recruitment information to each recruiting party.

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SYSTEM AND PROCESS FOR MANAGING DIGITIZED SECURITY TOKENS

NºPublicación: WO2020051710A1 19/03/2020

Solicitante:

JOE JAY [CA]
KIM SEIL [KR]

Resumen de: WO2020051710A1

A system and process for managing digital security tokens that involve an identification blockchain layer, a security token blockchain layer, and a trade history blockchain layer. The identification blockchain layer storing records of user identifiers and authentication keys. The security token blockchain layer storing records of digital security tokens indicating digital security token identifiers, states and ownership data. The trade history blockchain layer storing records of verified transaction data. The identification blockchain layer receiving a recovery request; the security token blockchain layer retrieving a record of a digital security token identifier using a user identifier, updating data indicating a state of the digital security token to inactive, issuing a new digital security token having a new digital security token identifier; and the trade history blockchain layer updating a record for a transaction data with the new digital security token.

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METHOD AND SYSTEM FOR CERTIFYING BLOCK-CHAIN-BASED COPYRIGHT EVENT PROXY

NºPublicación: WO2020052382A1 19/03/2020

Solicitante:

ALIBABA GROUP HOLDING LTD [CN]

CN_109272385_A

Resumen de: WO2020052382A1

Disclosed are a method and a system for certifying a block-chain-based copyright event proxy. Devices of some works service providers that provide works related services can serve as member nodes to form an alliance chain network, each works service provider broadcasts to the alliance chain network copyright events generated on the basis of the works related service provided thereby, and the works service providers perform distributed certification on the basis of a block chain. In addition, at least one proxy member node exists among member nodes, and for each proxy member node, the proxy member node has permission for copyright event certification on behalf of a non-member node corresponding to the proxy member node.

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SYSTEM, METHOD, AND APPARATUS FOR ONLINE CONTENT PLATFORM AND RELATED CRYPTOCURRENCY

NºPublicación: WO2020053647A2 19/03/2020

Solicitante:

IERVOLINO ANDREA [CA]

US_2020090143_A1

Resumen de: WO2020053647A2

A system, method, and apparatus for an online content platform and a related cryptocurrency may provide a blockchain-backed cryptocurrency and an online content platform, wherein users may be compensated in the cryptocurrency for the user's engagement with content provided on the online content platform. The cryptocurrency may be supported by a blockchain database distributed across one or more nodes. A user may also earn cryptocurrency when one or more users designated as a "friend" of the user interact with the content. The present invention may further comprise one or more additional blockchain-backed components, such as a Digital Rights Management tool.

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METHODS AND DEVICES FOR SHARED VEHICLE MANAGEMENT

NºPublicación: WO2020051730A1 19/03/2020

Solicitante:

ERICSSON TELEFON AB L M [SE]
WANG ZHANCANG [CN]

Resumen de: WO2020051730A1

A shared vehicle management method implemented by a first network node in a blockchain network is provided. The method comprises: acquiring vehicle information published on the blockchain network by vehicles and smart contracts associated with the vehicle information; selecting a target vehicle from the vehicles; obtaining vehicle information and a smart contract corresponding to the target vehicle; and broadcasting the obtained vehicle information and smart contract through the blockchain network. Therefore, the blockchain is used to supervise and manage the shared vehicles, thereby tracking the entire vehicle usage process more precisely, ensuring that the shared vehicles are parked at suitable locations, and preventing parking congestion.

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CROWDFUNDING METHOD BASED ON BLOCK CHAIN FOR CREATING GAME AND CROWDFUNDING SYSTEM FOR IMPLEMENTING CROWDFUNDING SERVICE ENVIRONMENT

NºPublicación: US2020090140A1 19/03/2020

Solicitante:

NHN CORP [KR]

Resumen de: US2020090140A1

A crowdfunding method may be executed by one or more processors of a crowdfunding system based on a blockchain for creating a game operating on a distributed network composed of a plurality of nodes. The method comprises performing a crowdfunding service on the distributed network according to a configured smart contract. The smart contract comprises generating an initial block including data records related to game production plan information, sharing at least one transaction record related to electronic transactions of coins with the plurality of nodes, generating at least one new block including data records related to at least one transaction record, and updating a blockchain stored in at least one of the plurality of nodes so as to add the new block to the blockchain through communication with the distributed network.

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SPARSE PEER WITH TRANSIENT PARTICIPATION

Nº publicación: US2020092360A1 19/03/2020

Solicitante:

IBM [US]

Resumen de: US2020092360A1

An example operation may include one or more of connecting, by a lead peer, to a blockchain network of an organization configured to store assets, receiving, by the lead peer, from an ordering server, a block that contains a plurality of chaincode transactions belonging to plurality of peers of the blockchain network, applying, by the lead peer, a filter to the block, determining, by the lead peer, a recipient peer of the block in response to the application of the filter, receiving, by the lead peer, a validation result of the block from the recipient peer, and committing, by the lead peer, the block to the blockchain network.

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