416 results about "Public account" patented technology

The invention provides a method and system for privacy protection of block chain transaction. The method comprises: a transaction group is established between nodes of a block chain system, a user establishes an account at a node, and the node generates public and private key information of the account and then joining of a group is carried out; a transaction request node encrypts transaction information by using a broadcast encryption algorithm, carries out group signature processing on the encrypted transaction information, and then broadcasts the transaction information after broadcast encryption and group signature processing; a common non-account-recording node verifies the transaction information and then broadcasts the transaction information, an account-recording node decrypts thetransaction information and performs an intelligent contract to carry out account recording, broadcast encryption is carried out and then the information is recorded into a public account book, wherein the stored data are only allowed to be opened by the account-recording node, the transaction request node and an administration node. With the broadcast encryption algorithm and group signature technology, a privacy protection problem in the block chain system is solved and the traceability of the transaction is ensured.

The invention provides a credible government administration data sharing network system based on a block chain. The system comprises service departments, an access layer and a block chain network, wherein the service departments perform information interaction with the block chain network via the access layer; the block chain network comprises a plurality of node servers, and the node servers arecorrespondingly connected with the service departments; the block chain network also comprises chain codes and a public account book based on the chain codes, wherein the public account book is used for dispersedly recording and storing the data of the service departments on the corresponding node servers, and each node server comprises the full amount of service data; the node servers are also separately connected with a management application platform used for interacting the data with the outside and a decryption server used for decrypting the data. The system provided by the invention hasthe advantages of high sate security, strong stability and high degree of opening.

The invention discloses an alliance chain-based decentralized CA construction method and system, which is a set of complete CA service block chain process and design scheme, and comprises a CA chain initialization method, a consensus strategy and an anti-cheating strategy; and modification of certificate information is converted to be in a block chain transaction form and recorded in an unmodifiable public account book for members to look up. According to the alliance chain system applying a CA chain, provided by the invention, corresponding business work and alliance chain maintenance work are finished by calling services provided by a CA certificate management block chain module, a block chain service module and an intelligent contract module, so that the CA decentralization operation ofan alliance chain is realized, and the centralization threat possibly faced by the alliance chain containing centralized CA services is eliminated.

The invention discloses a system for simultaneously managing multiple public accounts of Wechat, and the system comprises an account management module, a material library module, an article management module, a check module, a transmitting module, and a statistic analysis module. The account management module comprises an access unit, an account classification unit, an authority distribution unit, and an auto-response setting unit. According to the distribution condition, an editor sets the auto-response of the managed public accounts of Wechat. The material library module comprises an automatic crawling unit and an article classification unit. The article management module comprises an editing unit, a preview check unit, and a storage unit. The check module comprises a transmitting check unit and an article library unit. The transmitting module comprises a timing transmitting unit which selects a plurality of public accounts of Wechat and transmits the public accounts of Wechat in a timing manner. The system can achieve the unified searching, editing, checking, management and analysis of materials in operation of an enterprise account of Wechat. A Wechat account operator can effectively manage a plurality of public accounts at the same time.

The invention provides a two-dimensional code-based data analysis anti-counterfeiting traceability marketing management method and system. After a two-dimensional code of a product is scanned, whether the two-dimensional code of the product is scanned for the first time or not can be judged; when the judgment result is negative, a consumer can be reminded that the product can be a counterfeited product; and the consumer can conveniently and accurately know the authenticity of the purchased product. A point exchange platform, an awarding platform, a game platform, a big data platform, an O2O mall and logistics platform and a wechat public account are also constructed. After the consumer purchases the product, the consumer is stimulated employing anti-counterfeiting tracing as an entry in manners of presenting points, participating in game raffling and the like; the consumer interacts with an enterprise, so that the viscosity of the consumer is strengthened; the loyalty index is improved; the range of the consumer group is expanded; when the consumer participates in interaction, the system collects large data of the consumer, carries out data mining and analysis, provides a big data support for the enterprise, draws a portrait of the consumer, and carries out accurate precision marketing and secondary product marketing.

The invention provides a privacy transaction method, a system and a device. The method comprises the following steps: selecting a plurality of available first UTXOs in a privacy address according to atransfer amount; requesting a plurality of second UTXOs with the same quota from a block chain for each of the first UTXOs; selecting a plurality of available first UTXOs in the privacy address according to the transfer amount; and selecting a second UTXO with the same quota from the block chain. Wherein each of the second UTXOs is used for ring signature confusion of UTXOs of transfer transactions; the ring-signed first privacy transaction is sent to a privacy agreement for the privacy agreement to send assets of the same amount as the transfer amount to a recipient account. The ring-signedfirst privacy transaction is sent to a privacy agreement for the privacy agreement to send assets of the same amount as the transfer amount to a recipient account. The device ensures that the sender in the privacy transaction process is not traced through ring signature and confusion technology, and the invention realizes the transaction from UTXO model to account model, so that the block chain system can freely flow in the public account and the privacy account.

The present invention discloses a portal authentication method based on APP application and the device which are applied to an access apparatus, the method comprising: receiving a TCP three-way handshake connection request initiated by a user terminal to an APP application server, judging whether the connection request passes Portal authentication or is in a white list, and forwarding a TCP connection request message of the user terminal and establishing TCP connection between the user terminal and the APP application server if so, otherwise masquerading the APP application server to establish TCP connection with the user terminal; receiving a Get request message sent by the user terminal, analyzing the URL in the message, adding the IP address of the APP application server into the white list, returning a RST message to the user terminal, and informing the user terminal to reinitiate a TCP three-way connection request to the APP application server. The present invention utilizes the manner of popularizing a public account in an APP application to improve enterprise competitiveness and promote enterprise image.

The invention discloses a distribution network demand response transaction settlement method based on block chain technology, which comprises the following steps: (1) performing data preparation: participant addresses, contract periods, user load values, etc. (2) constructing an intelligent contract to calculate the total resource demand, recording demands of all power generators, and calculatingand publishing a total demand; (3) constructing a contract to calculate the supply of each user, and adjusting the price according to the supply of each user to meet the total demand of the power generators; and (4) constructing transaction settlement contracts between the users and the power generators, and completing the token transfer according to capacities of the users and quoted prices. Theinvention designs a demand side response transaction mechanism based on block chain technology in distribution network, the power generators send resource demands for the next transaction period to apublic account, the users monitor the demands and the quoted prices published on the block chain to update the supply, and the public account updates the quoted prices until the demands are satisfied,thus realizing the optimal dispatching of distributed energy sources.

The present invention provides a vehicle fog data light-weight anonymous access authentication method based on blockchain assistance, and relates to the technical field of network communication safetyof urban traffic operation management. The method comprises the steps of: arranging one witness node (WP) in a management range of each service manager (SM), initializing system parameters through antrusted center AD, and registering the SM and a OBU (On Board Unit); allowing the SM to authenticate the validity of the OBU, storing the authentication information, broadcasting an authentication result to the WP, and providing fog service to the OBU according to the authentication result by a roadside facility unit RSU; and writing the authentication result into a public account by the WP to complete OBU consensus. The vehicle fog data light-weight anonymous access authentication method based on blockchain assistance can protect the user privacy information while ensuring the identity authenticity of a vehicle user accessing the fog service so as to achieve the vehicle anonymous authentication and allow users to select the time and the frequency of replacement of the pseudonym by themselves; the non-interactive autonomous cross-domain authentication is achieved, and the communication delay is effectively reduced; and moreover, the authentication information management is simplified,and the risk that a single database is tampered is effectively avoided.

The present invention belongs to the technical field of blockchains, and discloses a unified public transport accounting and transaction system based on a blockchain. The system is formed by a blockchain bottom layer service and an application layer. The blockchain bottom layer service comprises an account center module, a transaction generation module, an information storage module and a data access and management module, and the account center module is configured to establish an account main body and account authority or authorization; the transaction generation module is configured to establish an transaction information module; the information storage module is configured to store block information; and the data access and management module is used for data access, data analysis and other monitoring management. The application layer comprises an application layer light wallet and an application layer management tool. The unified public transport accounting and transaction system can achieve unification of the national public transport system account systems, users' accounts can be general throughout the country and the account information is conveniently checked; the public account information can be selectively published or fully published; and moreover, through adoption of the blockchain technology and multi-accounting nodes, the data safety and the data reliability canbe ensured.

The invention discloses a parking fee paying method, a parking fee paying server, and a parking fee paying system. The parking fee paying method comprises steps that parking service registration information of a specific user is acquired, and public account information is bound with information of one or a plurality of vehicle/s, and then is stored; whether the information of the vehicle exists in a registration database is determined, and when the information of the vehicle exists in the registration database, the public account information bound with the vehicle is transmitted to the terminal device of the owner of the vehicle, and then the terminal device is used to display the information to the owner of the vehicle; vehicle leaving information is received, and parking fees required to be paid are calculated, and then the parking fee information and the public account information bound with the vehicle are transmitted to the terminal device of the owner of the vehicle, and the terminal device of the owner of the vehicle is used to return information of result of selecting whether the parking fees are paid by using the public account. By adopting the technical scheme provided by the invention, the information of one or a plurality of vehicle/s is bound with the public account, and when the vehicle leaves a parking lot, and is used to pay the parking fees, the information of the bound public account is transmitted to the terminal device of the owner of the vehicle for the selection, and therefore user experience is optimized.

The invention discloses an information sending method and an information forwarding method, device and system, and belongs to the field of communication. The information sending method includes the steps of obtaining at least one needed parameter content from a template, generating a sending request according to a template ID, a target account and at least one parameter content, sending the sending request to a server through a preset interface provided by a server, filling the at least one parameter content in a template corresponding to the template ID by means of the server to generate template information, and forwarding the target account to a corresponding client. By means of the information sending method and the information forwarding method, device and system, the problem that an existing public account can send limited pieces of information to a common account to protect the common account against harassment is solved; the effects that a public account client can only send the template information to the common account but the number of the information sent by the public account client is not limited, and the public account client can not send advertisement information to harass the common account are achieved.

The invention relates to a personnel location trajectory analysis system and analysis method based on a WeChat public platform. The system comprises a background management center, a WeChat public account, a plurality of two-dimension codes with geographical location information and a plurality of handheld intelligent mobile terminals loaded with WeChat client sides. Common users are in data interaction with a communication mechanism in a WeChat public platform server and the background management center under WiFi or 3G/4G wireless network environment through the handheld intelligent mobile terminals and the WeChat client sides. Based on existing mobile phone terminal equipment, WeChat platform software, the existing two-dimension code scanning function, the communication function and the geographical location information recording and uploading function, the mode of limiting the two-dimension codes is utilized, the characteristic of multi-point trajectory recording is kept, the possibility of inputting a large amount of invalid information is eliminated, system work efficiency is improved, the real geographical location information of specific personnel at the real moment is effectively recorded, the whole system is low in cost, and the important role in the field of electronic patrolling and guarding is achieved.

The invention discloses a block chain-based commodity circulation information query system and method. The system comprises a portable mobile terminal system and a block chain system, wherein the terminal system comprises an input module, a conversion module, a login module, a search module, an output module and a display module; the input module obtains a commodity code; the conversion module converts the obtained commodity code into a unique ID on a block chain; the login module obtains a public account registered in the block chain system of a public network by the terminal system, and logs in the block chain system; the search module is based on circulation information required for ID search; the output module outputs the information to users; the display module displays the information in the terminal system according to a time sequence; a classification unit of the display module classifies the information to realize display by types or levels; and a sharing unit of the display module performs information sharing among the users. A set of query system is established; and the query system is open, free of central storage and transparent in management, and supports a mobile phone end.

The invention discloses a food ordering system based on a public account. According to the food ordering system based on the public account, mainly through an existing public account system, a catering enterprise or merchant is helped to build efficient informatization management, labor cost of enterprise personnel is reduced, and operation cost is reduced; a consumer is helped to rapidly and conveniently complete food ordering at will. The food ordering system based on the public account is low in cost input, and applicable to informatization networking management, upgrading and reconstruction of various catering enterprises, and meanwhile the food ordering system has positive significance in application extension of the public account and increase of dependency of the consumer to a system of the public account.

The invention discloses a transaction information processing method, device and system. The method comprises the following steps that: a first server receives transaction information and a transaction account number corresponding to the transaction information which are submitted by a user to a public account number through a subscription account number and sent by a first public platform; the first server sends a transaction request to a second server according to the transaction information and the transaction account number corresponding to the transaction information and obtains a response message of the second server; and/or the transaction information and the transaction account number are sent to a first browser registered at a client side through a first browser account number so that the first browser submits the transaction request to the second server according to the transaction information and the transaction account number and obtains the response message of the second server, and the first server receives a response message sent by the first browser; the first server informs the user of the response message of the second server. According to the scheme, the user can conduct the transaction behavior through the client side of the public platform on a mobile terminal at any time without position limitation.

The invention discloses a method, an apparatus and a system for accessing an intelligent device, and relates to the technical field of the internet. The method, the apparatus and the system are used for solving the problem that device APPs need to be developed for device manufacturers. The method disclosed by the invention comprises the steps that: an access device pays attention to a public account through a personal account, and enters an HTML page; the access device scans an intelligent device through the HTML page to obtain a device identifier ID of the intelligent device, and the device ID is a unique device ID allocated by a service platform to the intelligent device before the intelligent device is manufactured; the access device reports the device ID and the account ID of the personal account to a manufacturer server; the manufacturer server binds the account ID and the device ID and notifies a binding relation to the service platform and the access device; and the access device establishes a connection relation of the intelligent device and the access device through the HTML page. The method, the apparatus and the system disclosed by the invention are mainly used in a process of binding the intelligent device with a connected mobile phone.

The invention discloses a medical device full life cycle management method. A failure WeChat repair method, a medical device management method and a medical device management platform are included. The failure Wechat repair method comprises the steps of (1) the search of a WeChat public account number, (2) login, (3) repair, (4) inspection, (5) a maintenance list, (6) a maintenance report and (7)personal information. The medical device management method comprises the steps of (1) login: system login, mobile phone binding, and password forgetting, (2) system management, (3) two-dimensional code or RFID management, (4) equipment management including equipment entry and equipment temporary entry, (5) repair management including a repair list, an application list, a maintenance task and workcheck, (6) inspection management and (7) report management. The medical device management platform comprises system management, basic data management, maintenance management, warehouse management andreport management.

The invention discloses an intelligent household balcony vegetable garden system, belongs to the field of Internet of things and vertical planting, and relates to interactive design, green design and Internet-of-thing remote control, in particular to remote control over an intelligent household balcony vegetable garden through the public account of mobile phone wechat and design of the vertical planting mode of the vegetable garden. The vegetable garden is composed of a vertical planting device and an internal circuit, and is a set of intelligent balcony vertical planting device. The space of a balcony can be better utilized. A water pump, a temperature and humidity sensor and the like are arranged inside the system, the temperature and humidity of soil can be detected, data are uploaded to a cloud terminal through the Internet-of-thing technology, and remote control can be realized so that operations such as watering can be conducted. Meanwhile, the intelligent vegetable garden is connected into a hardware platform of the wechat, the vegetable garden can be intelligently managed through the public account of the wechat, and a user can share the vegetable growing interest with good friends.

The invention discloses a privacy transaction protection method based on coalition block chain, the method defines a set of API interface for privacy transaction in the block chain platform, a user ofthe block chain platform initiates a privacy transaction to a transit node by calling the API interface, once the relay node is responsible for synchronizing the privacy transaction to all designatedparticipant nodes, the transit node reconstructs a public transaction, only the hash value of the privacy data and the participant information are stored in the public transaction, and then the public transaction is recorded into the public account books of all the block chain nodes through the normal block chain uplink flow, and finally, the participants of the privacy transaction record the corresponding privacy transaction into their own privacy account books. The privacy transaction protection method of the invention makes up the vacancy of the privacy requirement in the current block chain system, and improves the use value of the coalition block chain.

The invention relates to an acentric digital currency transaction method based on public and private key pair derivation; a receiver can scan on a public account book to calculate collection public and private key pairs according to the transfer time, thus reducing data storage; each transaction forms a new collection address, thus enhancing the digital currency anonymous property; only one time elliptical curve scalar multiplication calculation is added on the computational complexity in an implicit certificate generation process, thus easily reducing stronger anonymous property; a transaction initiator actively forms a new collection address in the process instead of using the new collection address issued by the receiver; each person only processes a long term public key, and new publicand private key pairs can be calculated according to the public messages on the public account book and the long term public and private key pairs, thus reducing the public and private key pair storage space; transaction graph analysis is hard to receive.

The invention relates to a social Internet of things realization method based on the WeChat platform. Through the method, Internet of things equipment can be added by a user to a specific WeChat public account number, and the equipment is monitored and managed through the WeChat public account number. By utilizing characteristics of the cloud management platform, the control method and logics based on multiple users and multiple equipment can be easily realized, and a simple, rapid and varied operation interface is provided for the user.